Top 9 Buzzers for Circuits – Circuit Testers

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

ALLOSUN #ad - 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.

Quickly test wiring: identify wiring issues such as short circuits, test connections, fuses, wiring harnesses, and more. Note: only test on dc 6-12v circuits and DO NOT test with voltage above 15V. Three interchangeable probes allow the tool to be used as a touch-type or pierce-type tester. 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.

Not recommended to use on sensor or computer wiring. 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.
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.



LED Flashlight,Live/Null Wire Judgment,Buzzer Alarm Outlet Circuit Tester, Non-Contact Dual AC Voltage Tester Pen with Adjustable Sensitivity 12-1000V/48-1000V,LCD Display, CAMWAY AC Voltage Detector

CAMWAY #ad - Specially, when the voltage alert signal disappear, that is most probably the break-point. High voltage display shows lightning symbol and low Voltage shows lo, Besides, LCD Display with 8 Level Voltage Range IndicateGreen Light indicate low voltage, Red Light indicate high voltage. Led flashlight & low battery indicator the led light allows operating even on dark environment, The Non Contact Voltage Detector Pefect for Circuit Breakers, Switches, Outlets, Lighting Fixtures, The Voltage Tester Also Acts as an Emergency Flashlight which can Illuminate the Working Area, Wires and Anywhere You Need it.

The ac voltage circuit tester with Low, Moderate, High three Voltage Levels will meet your Most Testing. Safe non contact voltage tester pensafety compliance is ce cat. Iii 1000v / cat. Iv 600v, with good sensitivity of ncv probe, insulation non contact ensures the safety of testing, CAMWAY AC Voltage Detector Can Test Voltage without physical contact, Identify Electric Field Intelligently, Test Electrical Lines Practically and Conveniently.

Buzzer alarm& led indicator & lcd display voltage frequency can be distinguished by beep and LED indicator. Dual ac voltage detectorthe default ac voltage measurement range is 48-1000v, can also measure 12-1000V by adjusting the sensitivity. Live and null wire & break-point distinguishwhen testing the voltage, moving the ncv tip of the circuit Tester Pen along the wire, the brightness bar on the High-Definition LCD Screen will tell you the voltage intensity; The Voltage Tester screen will light up in red/green to distinguish the Live/Null Wire.
BrandCAMWAY #ad
ManufacturerCAMWAY #ad
Part NumberCAMTL984CAV



4-60V DC LED Digital Circuit Tester, Heavy Duty Light Tester with Voltmeter, Battery, ATOBLIN Buzzer Test Light Automotive, Polarity, Auto Voltage Tester Electric Probe Test Pen for Fuse

ATOBLIN #ad - Widely used in 3v 6v 12v 24v 48v 60v circuit system. Bidirectional voltage testing: this upgrade circuit test light is a bidirectional voltage tester. Dc 4-60v wider voltage test range: the dc 4-60v circuit tester gives you more options for testing different vehicles. 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.

Designed for comfort and safety: this voltage test pen has a protective probe cover designed to protect you from accidental injury; Equipped with a spring cord that extends up to 102 inches, increasing the flexibility of test scenarios and ease of carrying and storing; When the test voltage exceeds 60V, the screen will display "OL" to remind you to stop the test immediately.

Ideal for car, excavator, suv, bus, RV, Boat, Truck, Motorcycle, etc. Easy to read: this heavy duty circuit light tester with highly clear LED digital display screen, clear&visible digital readouts for day and night. 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. Add a buzzer function, the test will be accompanied by a buzzer, giving you more convenience to test the circuit.
BrandATOBLIN #ad
ManufacturerATOBLIN #ad
Part NumberNS-837
Warranty1 year warranty

4. tatoko


1.5V 400Hz Morse Code Mechanical Electronic Components, tatoko 5PCS Mini Buzzers with Leads

tatoko #ad - Rated voltage : dc 1. 5v;overall size : 34 x 17x 15mm / 1. 3" x 07" x 06" l*w*t. Product name : electronic buzzer; Sound Pressure Level db:75 Frequency khz:400 Package content :5 x Electronic Buzzer. Mounting hole diameter : 3mm / 012";wire length : 9cm /. 3. 8". Drive: mechanical;material: abs;Colour: Black;Operating Temperature -20~+60°C.
Brandtatoko #ad
Manufacturertatoko #ad
Part Numbertatoko 1.5V
Modeltatoko 1.5V



Power Circuit Probe Tester with Extra 20Ft Extension Cable Continuity/Polarity Circuit Tester AC&DC Voltage Tester Resistance/Diode Electrical Tester Buzzer Prompt Circuit Breaker Finder for 6-30V

DUOYI #ad - Continuity/polarity/signal circuit test & trailer lights and connections testcontinuity tester is suitable for the diagnosis of all 6V to 30V vehicle electrical systems. It can quickly identify the positive and negative poles. Ac/dc voltage detection & resistance/diode testpower circuit probe tester has ac and dc voltage detection modes.

Ac detection can detect the maximum and minimum voltage of the circuit, power frequency and duty cycle. Dc voltage can detect the voltage value of the circuit. In addition, the circuit tester can also detect the resistance between the circuit probe and the auxiliary ground, and the diode test can quickly test the operation of the diode assembly and determine whether it is conducting. 20ft extension cable & two power supply methods & convenient suitcase automotive circuit tester has a 20ft 6m extension cable, which can be neatly placed inside each time it is used, it can be powered by connecting to a car battery or a cigarette lighter without using a battery.

Circuit tester is equipped with a suitcase with a handle, which can be extended from the front to the rear, allowing you to test along the entire length of the vehicle. In addition, and it is also easy to carry. Its built-in auxiliary grounding wire can test wires and continuity of components. Trailer light tester can also easily test the sensors, trailer lights and connections, helping you to check the function and direction of the connectors and trailer lights. Activate components & supply power to the components & buzzer prompt functioncircuit tester can activate the components in the hand, the circuit tester can power the component to test its function.
BrandDUOYI #ad
ManufacturerDUOYI #ad
Part Numbertester tool-11

6. jeseny


Auto Bidirectional Voltage Tester Electric Test Pen with Extended Spring Wire, Heavy Duty Light Tester with Voltmeter, jeseny 1 PC Automotive Buzzer Test Light 6-24V DC Digital LED Circuit Tester

jeseny #ad - Computer safe: equipped with insulation protective cover,which can better grip the body and screws, it 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. Can be used to detect power, ground and find shorts and breaks in the wires.

Bidirectional testing mode: this upgrade circuit test light is a bidirectional voltage tester, attach the clamp either to negative or positive ground, the light emitting diode on the circuit board for polarity indication, red light indicates positive polarity and green light indicates negative polarity. The built-in led circuit board chip is safer and more durable than the traditional test light for the automotive computer board. Compared with lcd, led lights are not affected by light brightness, and can be read accurately in daytime or dark areas. Widely use: his professional automotive heavy duty circuit test light designed to test 6-24V DC voltage.

Led digital reading: the power circuit probe kit designed with led digital voltage display for accurate volt readouts. Unique design: anti-lost needle guard protection, the overall structural design of the probe protective cover is used to increase the needle protection function to ensure that there will be no stabbing and loss protection. Convenient to carry and take it wherever you go. It can be freely stretched up to 79 inches, with a wide measuring area. Quickly check car headlights, turning signal circuits, connections, taillights, disconnection, fuses, socket failures, etc.
Brandjeseny #ad
Manufacturerjeseny #ad
Weight0.17 Pounds
Part NumberJEJCQ1000-
WarrantyManufacturer warranty for 30 days from date of purchase

7. Manesi


Mini Buzzers with Leads, 3V 400Hz Morse Code Mechanical Electronic Components 10Pcs

Manesi #ad - Mounting hole diameter : 3mm / 012";wire length : 9cm /. 3. 8". Product name : electronic buzzer; Sound Pressure Level db:75 Frequency khz:400 Drive: mechanical;material: abs;Colour: Black;Operating Temperature -20~+60°C. Package content : 10 x Active Electronic Buzzer Alarm Sounder. Rated voltage : dc 3v;overall size : 34 x 17x 15mm / 1. 3" x 07" x 06" l*w*t.
BrandManesi #ad
ManufacturerManesi #ad
Height0.6 Inches
Length1.34 Inches
Width0.67 Inches
Part NumberEERFF-394145

8. Honoson


E10 Screw Mini Bulbs 1.5V 0.3A Warm White Bulb Light and E10 Mini Screw Type Bulb Socket Black Plastic Bulb Holder for Student Experiment Lighting DIY Accessories 30 Pieces

Honoson #ad - Basic performance: e10 miniature screw base light bulb can produce 1. 5 volts at 03 amps, emitting bright and warm light to meet your lighting needs, ideal for building some circuit display boards. Sufficient quantity: you will get 20 pieces of e10 mini bulbs and 10 pieces of E10 mini bulb holder, metal and plastic material, enough quantity that can meet your daily use and replacement; Main made of quality glass, safe and reliable to use.

Warm reminder: the miniature e10 screw bulb has a warm white light and it won't hurt your eyes, please use the mini bulb within the rated voltage range, the mini bulb will be burned out; If the working voltage is too low, if the working voltage is too high, the mini bulb will not work.

Size details: e10 screw mini bulb is approx. Wide applications: bulb holder dIY accessories are mainly applied in primary and secondary school electrical experiments, also popular in equipment inspection lamps instrument bulb and more. 23 mm/ 09 inches in length, e10 mini bulb holder is about 30 x 11. 5 mm/ 1. 18 x 045 inch, please carefully check whether the product size is what you want before buying; Small items, please keep them away from little kids to avoid swallowing risk.
BrandHonoson #ad
ManufacturerHonoson #ad
Height1.18 Inches
Length0.45 Inches
Width0.01 Inches
Part NumberHonoson-87591



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

KAIWEETS #ad - When the voltage is detected, red means high voltage and live wire are detected, the screen will be red or green, or the closer it is to the voltage source, the tip will send out red light and beep. We provide 36-month after sale service, Please feel free to contact us if you have any concerns.

Security level: iec rated cat iii 1000v cat iv 600v, meets ce requirements; the electrical tester is safely double insulated. Safety first: it will send out multiple alarms through sound and light. When the higher the sensed voltage is, it beeps at a higher frequency. High voltage alert to warn you of voltage above 90V, the screen turn red and the safety symbol on the screen shines. 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. Non-contact: with ncv inductive probe for ac voltage; just place the tip near a terminal strip, outlet, or supply cord. When the tip glows red and the pen beeps, you know there's voltage present. Dual range: detects standard and low voltage 12-1000v ac / 48-1000v ac for more sensitive and flexible measurements. Compact design: bright led flashlight for work in dim ares; low-power-indicator when battery voltage is below 2.
ManufacturerKAIWEETS #ad
Height0.8 Inches
Length6.2 Inches
Weight0.13 Pounds
Width0.9 Inches
Part NumberKW5023240