Top 9 Circuit Tester with Buzzer – Circuit Testers

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DC 6-24V Dual Color LED Bulb Auto Circuit Tester, AWBLIN Automotive Buzzer Test Light, Electric Tester Light Tool Probe for Car Vehicle Fuses and Battery Voltage

AWBLIN #ad - Spring wire can be freely stretched up to 102 inches, with a wide measuring area; Anti-bending design of the tail wire, no need to worry about bad contact of the line. 100% satisfaction: if you have any dissatisfaction for any reason, please feel free to let us know and we will do our best to assist you.

Dual led indication, bidirectional voltage testing: this upgrade circuit test light is a bidirectional voltage tester. Computer safe, durable & flexible: the professional auto circuit tester has a built-in circuit board chip, which is safer and more durable than traditional test lights and prevents the car computer board from burning out. Buzzer warning: the led light will be on and there will be a buzzing sound during the test. Convenient to carry and take it wherever you go.

Unique design- anti-lost needle guard protection: adopt the integrated structure design of the probe protection cover, needle guard function is added to ensure that there will be no stab wounds and the guard will not be lost. You can attach the alligator clamp either to negative or positive ground, there is also a light emitting diode on the circuit board for polarity indication, red light indicates positive polarity and green light indicates negative polarity.
BrandAWBLIN #ad
ManufacturerAWBLIN #ad
Part NumberNS-833



White, ALLOSUN GK5225 Automotive Wire Piercing DC Voltage Circuit 6V / 12V Hook Probe Tester 59 Inch Cord with LED & Buzzer Indicator

ALLOSUN #ad - Widely applications: use in the shop to check wires when installing radios and brake controllers, on your camper to test which wires operate the tail lights, or any trailer wiring application. Three interchangeable probes allow the tool to be used as a touch-type or pierce-type tester.

Not recommended to use on sensor or computer wiring. Quickly test wiring: identify wiring issues such as short circuits, test connections, wiring harnesses, fuses, and more. Hands-free operation: tester has an end hook to hold the wire to free up your hands to decrease down time and increase productivity; Can be used as a probe on its own by removing the plastic sleeve that hooks the cable or as a probe and hook that pierces the wire.

Note: only test on dc 6-12v circuits and DO NOT test with voltage above 15V. Easy to read: includes two high visibility LED bulb & loud buzzer for easy identification. Safe commitment: the hook cover design prevents you from stabbing your own finger when placing the tester in a wire; Cord is insulated for heat and oil resistance and safe use; Constructed with a slim stainless-steel probe for piercing and locking onto the wire, even in hard to reach areas.
BrandALLOSUN #ad
ManufacturerZhangzhou Eastern Intelligent Meter Co., Ltd #ad
Height1.5 Inches
Length11 Inches
Width1.5 Inches
Part NumberGK5225
WarrantyAfter-sale Service Warranty within 1 year, in the precondition of non-artificial damage.



Buzzer Alarm, Electrical Tester with LCD Display, Wire Breakpoint Finder-HT100 Red, KAIWEETS Voltage Tester/Non-Contact Voltage Tester with Dual Range AC 12V-1000V/48V-1000V, Live/Null Wire Tester

KAIWEETS #ad - Ideal for breakpoint Test. At the same time, red means high voltage and live wire are detected, or the closer it is to the voltage source, the tip will send out red light and beep. Compact design: bright led flashlight for work in dim ares; low-power-indicator when battery voltage is below 2.

5v; automatic power off after 3 minutes without operation or signal detection; Pocket-sized, pen hook allows you to carry it in your shirt pocket. Non-contact: with ncv inductive probe for ac voltage; just place the tip near a terminal strip, you know there's voltage present. Security level: iec rated cat iii 1000v cat iv 600v, meets ce requirements; the electrical tester is safely double insulated. Handy circuit tester for electricians, outlet, or supply cord. Safety first: it will send out multiple alarms through sound and light. Dual range: detects standard and low voltage 12-1000v ac / 48-1000v ac for more sensitive and flexible measurements.

When the voltage is detected, the screen will be red or green, it beeps at a higher frequency. When the tip glows red and the pen beeps, homeowners. We provide 36-month after sale service, Please feel free to contact us if you have any concerns. Press the s button to adjust sensitivity and adapt low range for doorbells, thermostats, irrigation wiring etc. The ncv sensor automatically recognizes the voltage and displays it on the bar graph.
ManufacturerKAIWEETS #ad
Height0.8 Inches
Length6.2 Inches
Width0.9 Inches
Part NumberKW5023240

4. Neoteck


LED Flashlight, Buzzer Alarm for Live/Null Wire Judgment, Neoteck Non-Contact AC Voltage Tester Pen, AC 12-1000V

Neoteck #ad - Non-contact voltage tester ranging 12-1000v AC, You can easily distinguish the live and null wire through different level of alarm sound and LED indicator. Safe and convenient the voltage pen tester detectes Voltage in a Non-Contact Way, So Do Not Worry about There Could be any Possibility of being Shocked by the Electricity.

Multifunction, easy to use it also acts as an emergency flashlight which can Illuminate the Working Area, You can Use the Non Contact Voltage Detector in Circuit Breakers, Lighting Fixtures, Outlets, Switches, Wires and Anywhere You Need it. High efficiency as long as voltage is Detected, the Led in the Tester Pen will Shine. Ce cat iii600v rohs certificate a professional tester, It is Perfectly Suitable also for DIY'ers, hobbyists and home Owners, It Helps You Make the First and the Most Important Safety Check.
BrandNeoteck #ad
ManufacturerNeoteck #ad
Weight0.14 Pounds
Part NumberTL163-US

5. allsun


Allsun Automotive Audible Circuit Tester 6-12V DC System Probe Auto Repair Tools Heavy Duty 59In-Long Cord Sharp Stainless Probe Tester with Light & Buzzer Indicator for Car/Vehicles

allsun #ad - Attach the tester’s alligator clip to a good groundsuch as the vehicle’s frame or the point where the vehicle’s negative battery cable ends. The sharp steel probe easily pierces wire insulation to check circuitry. Great electrical automotive tool is designed mainly for testing automotive circuits.

Notes: do not use the tester to test any circuit with voltage above 15V, it is not recommended to use the tester to perform measurements on sensor or computer wiring. More safety, more durabledurable insulated alligator clip and heavy-duty cord for professional use. Higi-bringhtness leds & buzzerthe tester’s two ledsin the handle can be used to identify battery polarity, it can use in different environments. Two leds:∅5mm led, one red and one green.

Easy-to-hear buzzer provides quick test result confirmation. Battery polarity test. Quickly test circuit & pierce wireselect a sutibale probe according to test need and attach it to the handle. One-hand operationthree interchangeable probes allow the tool to be used as a touch-type or pierce-type tester. The hook of the pierce-type probe grabs the wire to be tested so that you can pierce the wire with one hand. Mainly used professional circuit tester. Test dc 6-12v circuits with power on.
Brandallsun #ad
ManufacturerZhangzhou Haimao Dianzi Keji Co., LTD  #ad
Part NumberE-GK5225

6. Ubrand


Multi Range AC 12-1000V & Live/Null Wire Judgment, AC Voltage Detector, Sensitivity Adjustable Electrical Circuit Testers with LED Flashlight and Buzzer Alarm, Non Contact Voltage Tester Pen

Ubrand #ad - Small size, easy to store in a toolbox or carry around. The high voltage alarm can warn you that the voltage exceeds 90V, the screen turns red, and the safety symbol on the screen glows. Loud enough to hear moderate noise from machinery and equipment. Safety sound & light alarm: voltage frequency can be distinguished by the buzzer and the LED indicator.

Safety level: iec rated cat iii 1000v cat iv 600v, in line with ce requirements; electrical tester is double insulated. Adjustable sensitivity:dual range 12v-1000v / 48v-1000v-choose different ranges according to your needs; different voltage tests and dual-range tests-Different frequency alarms are used to distinguish live and neutral lines; the default measurement range of AC voltage is 48-1000V, and the sensitivity can also be adjusted to measure 12-1000V. Non-contact voltage tester:when the device is close to the AC voltage within the specified voltage range, it will flash and beep without touching the object under test, and the buzzer and LED indication support sufficient safety measurement application.

It can meet the needs of selecting the most suitable sensitivity before testing on different occasions and different objects. Led lights & low-voltage indicators:low-voltage led flashing prompts and alarms can warn you to replace batteries in time, and white LED lights can even work in a dark environment; automatically turn off the power after 5 minutes of inactivity to save energy.
BrandUbrand #ad
ManufacturerProtmex #ad
Part Number1

7. Auroland


Auroland Non-Contact Voltage Tester with 9 gear Adjustable Sensitivity Voltage Detector Pen AC Circuit Tester Tool LCD Display LED Flashlight Buzzer Alarm Range12V-1000V & Live/Null Wire Judgment AC1

Auroland #ad - With lighting function: with an led flashlight function that is convenient for use in the dark, it can also be used as an emergency light in an emergency. Alarm function: when the ac voltage is detected, medium and low signal strength, the sensor indicator lamp of the tester blinks.

The test pen lights up the corresponding signal strength indicator depending on the detected signal strength. Two red lights, two green lights and one green light respectively indicate high, and the buzzer sounds different alarms. The package is equipped with a contactless stylus, a manual, and two 1. 5v aaa batteries. Non-contact ac voltage tester: this test pen has ncv sensor, you can detect the presence of AC voltage by simply pressing the power switch and bring the probe of the test pen close to the power socket or live line.

Auto power off function: if there is no operation within 3 minutes and the test pen does not detect the AC voltage, the test pen will shut down automatically. Adjustable measurement range: the hanmatek non-contact ac tester can adjust the gear in 9 steps, and the detection range can be freely switched between 12-1000v and 90-1000v.
BrandAuroland #ad
Height1.14 Inches
Length5.08 Inches
Weight76 Grams
Width0.79 Inches
Part NumberAC1

8. allsun


Allsun Pro Automotive Short & Open Finder Circuit Tester Wire Tracker Circuit Finder DC 6-42V Short Circuit Detector Short Detector Tool Power Probe Short Finder

allsun #ad - Built-in buzzer sound Show Open or Short Circuit Conditions, easy to carry. Suitable for dc 6~42 volt circuit powerit will work on all kinds of circuits with voltages between 6 and 42 volt DC. Transmitter and receiver LEDs show open or short circuit conditions.

It detects and alerts you immediately where a circuit is open. Operation videocheck out our video on the left side, comes with a storage bag, Internally Protected Against Power Surges and Overloads. Such as those found in automobiles, tractors, boats, RVs, trucks, etc. With its wide working voltage range. Locating open circuitpowered by 2pcs*9v batteries. Quick and easy diagnostic judge continuity of the cables or wires, making your repairs quicker, makes things easier to find troubles, and diagnose the break point.

Checking short circuityou can also find intermittent circuit problems by flexing wires or connectors and listening for a change in the receiver tone, 7 inch Flexible Probe Help Reaching Wires in Congested Places. Time saver, tried to find a fault in auto electric circuit. You can quickly and easily Locate short circuits, open connections, broken wires, current leaks and even trace wires.
Brandallsun #ad
ManufacturerZhangzhou Haimao Dianzi Keji Co., LTD #ad
Height1.2 Inches
Length8 Inches
Weight0.66 Pounds
Width1.8 Inches
Part NumberallsunEM415pro



Car Truck Vehicles Low Voltage Tester, Automotive Circuit Tester with Sharp Stainless Probe, JASTIND Premium 3-48V DC Digital LCD Display Test Light with 140 Inch Extended Spring Wire

JASTIND #ad - Extended pu spring & large alligator clip』high quality 140 inch long enough PU spring wire offers more flexibility, heat-insulation and oil resistance for daily use. Attach with large size alligator clip for easy one hand operation, lighter and more durable than normal cable wires, also for convenient use and storage.

Which is a must tool no matter for business or household use, will serve you faithfully for years. Sharp stainless steel probe for piercing wires effortlessly, also for hard to reach tight areas. Along with insulation protective rubber tip to against electric shock. Wide testing range』3-48v low dc voltage circuit test light,  such as automotive headlights,  designed for checking various vehicles electrical circuits,  taillights,  faulty sockets, fuse connections,also helpful for testing other 3-48V wirings and circuits. Jastind always stand behind all of items with 100% product guarantee and satisfied customer support, just buy with confidence!100% quality guarantee』 if you are looking for a durable circuit testing tool, this one is for you.

Quality made tester body』professional automotive circuit tester with premium acetate fiber body,  allows for more toughness and durability. Computer safe & backlight digital display part』heavy duty circuit light tester with highly clear LCD digital backlight display screen, clear&visible digital readouts for day and night. Jastind test light draws much less current than the incandescent lamp, resolution to. 1v voltage reading with high accuracy to ±0
BrandJASTIND #ad
ManufacturerJASTIND #ad
Height1.5 Inches
Length13 Inches
Width4 Inches
Part NumberJTCVT-01B