ReviewsPotential Energy Tester

3 Pieces Voltage Meter Tester AC 12-1000V Non Contact Voltage Detector Buzzer Alarm Electrical Testing Led Flashlight Wire Tester Electrical Tool Battery Powered Tester Pen for Live Null Wire Judgment

High efficiency: the wire tester electrical tool(Batteries are not included) will send out a variety of alarms through sound and light, when a voltage is detected, the tip will light up and beep, which is easy to judge, saving time and energy.
The voltage pen tester uses a non-contact method to detect voltage, so you don't worry about the possibility of electric shock.
Sensitivity adjustment: this non contact voltage meter has 3 levels of sensitivity to choose from, the default is to enter the low level (buzzer beeps-once), press the [S] key to enter the middle range (the buzzer beeps twice), and press it again to enter the high level (The buzzer beeps three times), press again to return to the low gear (the buzzer beeps once.
Automatic shutdown function: when the ac voltage detector is not operated for about 5 minutes and no voltage signal is detected, the tester will automatically shut down.
The volt tester pen can be widely applied in circuit breakers, lighting devices, switches, sockets, wires and anywhere needed.
Low voltage indication: when the battery voltage is 2.6 V, the power indicator flashes 3 times, the buzzer will automatically shut down, please replace the battery in time.
You will get 3 electric current testers in the package, enoug....

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Griarrac 9-Key Cherry MX Switch Tester Kit (with Printed Switch Name, Keycap Puller, 18 O-Ring Sampler, Extra PBT Keycap)

... 40A-L with 0.2mm reduction and 9 40A-R with 0.4 reduction), you will know how the key with O ring feel like. 4 DIY rubber feet make your tester more stable, it’s up to you to put them on or not..
DÉCOR & RELEASE & DIY KEYS: Can be an ideal desktop decoration. It's also a perfect gadget that helps relieve nervous energy or anxiety. Besides, you can take the switches and replace them on your own keyboard whenever you want..

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OTC 6589 Electronic Ignition Spark Tester

Simple, high quality tool designed to test high energy electronic ignition (HEI) systems.
Simply attach plug wire to end then use built in clip to attach to ground.
Tester will give you true spark performance results, helping you identify ignition anomalies that simply removing a plug and grounding it won't reveal.
For use on vehicles and power equipment equipped with a high energy ignition system.

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Griarrac Cherry MX Switch Tester Mechanical Keyboards 9-Key Switch Testing Tool, with Keycap Puller and O Rings

1 for 9: This cherry mx switch tester shares you exactly the same press feeling on a cherry mx switch mechanical keyboard. Like owning 9 mechanical keyboards, 9 different switches will help you to tell what your favorite type is..
CLEAR SWITCH COLOR: Mounted on a crystal transparent acrylic model, equipped with translucent clear keycap, this switch tester lets you easily know the color of every key..
EXTRA GADGETS: You can easily pull out the keycaps, even all 9 keys from the housing, with the keycap puller. Further, the cherry mx switch tester comes with 9 40A-L & 9 40A-R sound dampening rubber O-ring samples, you will know how the key with different O ring feel like..
MUST HAVE: The switch sampler is a must have kit to try Cherry MX mechanical switch for anyone who's gonna buy a mechanical keyboard..
DÉCOR & RELEASE & DIY KEYS: Can be an ideal desktop decoration. Also a good gadget that help relieve nervous energy or anxiety. Besides, you can take the switches and replace them on your own keyboard if professional enough..

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Voltage Tester Pen Non-Contact with LED Flashlight - 12V to 1000V Dual Range for Broad Application (Voltage Tester Pen)

...different sounds and indicators. When all the red lights are on, it means that high voltage and live wire are detected, and only one red light is on to indicate that low voltage and null wire are detected. The higher the voltage detected, the higher the frequency of its beeping sound..
❤️ Auto Shut Off - To save energy and extend battery life, the voltage detector will automatically shut down after about 5 minutes of no operation. The power LED will flash when the battery voltage drops below 2.5V. Please replace the battery promptly..
❤️ Compact Design - The probe is equipped with an LED light that doubles as an emergency flashlight, which is especially useful and convenient in dark work areas. The small size with pocket clip allows you to carry it easily and can help you quickly test circuit breakers, lighting fixtures, switches, outlets, wires, and more..

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Breath Alcohol Tester Breathalyzer Bac Analyzer Mini Portable Breathalyzer Alcohol Tester Digital LCD Screen Breathalyzer Keychain At Home Drug Tests 20 Panel 10 20 50pcs (50 PCS)

[Environmental protection and energy saving]: 50 alcohol tester cigarette holders, which can bring health and environmental protection to multiple users. Removable, washable and reusable, making your friends and family tests easy and hygienic. - home and business drug test.
[Easy to carry]: This cigarette holder is small in size, light in weight, easy to carry and hand-held design, easy to carry, can also be placed in a pocket, car or handbag, and carried with you every day - at home drug tests 12 panel urine.
[Perfect compatibility]: This cigarette holder is suitable for all types of alcohol testers, and can provide the most accurate, convenient and affor Fordable breath alcohol test equipment on the market, suitable for different types of alcohol testers. - acholic breath test.
[High-quality materials]: Made of high-quality materials, no danger, stable performance, good ductility, not easy to damage, high reliability, and healthy to use. At the same time, the cigarette holder is light and durable. The finished product is of good quality. The digital alcohol tester has an for Audible alarm. LCD screen allows you to see more clearly - bactrack alcohol tester keychain breathalyzer.
[Improve healthyty]: You can take an alcohol test before driving. Some foo....

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Mini Home Breathalyzer for Alcohol Tester, Portable Personal Breathalyzer to Test Alcohol,A Alcohol Detector Breathalizer to Calculator BAC Tracker White

★ CONTACTLESS SAFEY DESIGN---This breathalyzer is designed for contactless safety. No need to mouthpieces, just blow directly at the test hole. It can be Shared by many people at any time..
★ ENERGY-SAVING & AUTO-OFF FUNCTION ---This breath alcohol tester is designed with low power indication. it will automatically shut off to save power after finishing the test for 5 seconds. Each time you install batteries, you can test more than 200 times.Moreover, powered by AAA batteries(Not included)..
★ MULTIFUNCTION BREATHALYZER ---This is a multifunction breathalyzer that includes following functions: clock, alarm clock, timer and alcohol tester..
★ COMPACT DESIGN. This breathalyzer alcohol tester is space-saving, lightweight, portable, it is easy to hold and carry.you can put your breathalyzer into this bag when you do not use it. Pocket-size allows you take it anywhere and anytime, ensures your safe driving after drinking..
★ 30 DAYS MONEY BACK GUARANTEE,LIFETIME WARRANTY. We have 20 years of experience in the production of breathalyzer, and has a good reputation in the breathalyzer industry..

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USB C Tester,KJ-KayJI 2 in 1 Tester Color Screen IPS Digital Multimeter(2022),Voltage,Cur,Pwr,Resistance,Elec,Temp,Capacity,Tme,Fast Charging,with USB Clip Cable Support PD2.0/PD3.0,QC2.0/QC3.0,BC1.2

...-enabled or type c-enabled devices. Supports QC3.0, QC2.0 and BC1.2. A Must Gadget checks the charging performance (charging speed and quality) of the output wall/car/solar panel chargers and USB charging cables. It can be also used to find the highest current of the Wireless Charger, and test capacity and electric energy of power bank..
PROFESSIONAL SAFETY GUARD: Featured with over-voltage protection, over-current protection, under-voltage protection, low energy protection and alarm system. This upgraded USB Type C tester can detect safety and maximally protect the appliances from damaging. It will cut off output automatically and alarm by sound, while it will save data when power off suddenly..
MULTIPLE COLOR SCREEN DISPLAY MODES: New upgraded version offers 8 LCD main color screen display interfaces, allowing switching the display interface by pressing the key. With the new interface settings, this instrument can monitor voltage, current, capacity, electric quantity, power, load impedance, D+/D- voltage and other data of USB..
WIDE RANGE OF APPLICATION: Thanks to the PD protocol quick charging mode measurement technology, this new multimeter supports the updated iPhone X mobile phone. (Support iphone 8 / 8P / iPhone Xs quick charging, 29W power, 5V3A....

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KOLSOL Network Cable Tester with 7 Wavelengths Optical Power Meter, PoE Tester with 10mw Visual Fault Locator, Lithium Battery Ethernet Wire Tracer with NCV & LED Light for CAT5 CAT6 RJ45

⚡【4 in 1 Multi-function Tool 】 LAN cable tester, OPM, VFL and NCV combined on ONE tool. No more calls,no more costs, find and fix it by yourself..
⚡【Accurate CAT5 CAT6 Cable Tester】NF-8508 network tester is a multifuctional tool which can do POE test, length measurement, wire locator and tests the faults of LAN network..
⚡【7 Wavelengths Optical Power Meter】 Can measure 7 standard wavelengths,850/1300/1310/1490/1550/1625/1650, power detecting range(dBm): -70 ~ +10..
⚡【Visual Fault Locator 】Emmiting Energy: 10mW, standard wavelenth: 650nm. Fast flashing, slow flashing, high precison..
⚡【Must Tool for Home Using】 Non-contact voltage detecting, LED light and 1500mAh rechargeable lithium battery help you get the job done in a variety of environments..

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Digital Refractometer Digital BRIX Tester Sugar Meter Ideal for Drinking Water Beverage Kombucha Orchard Fruit Juice Carbohydrate Content High Accuracy Portable Refractive Index Tester 0-58%

ACCURACY AND CONSISTENCY: Refractive index is effected by temperature, so we set Automatic Temperature Compensation (ATC) function for BRIX reading be accurate at various temperatures..
BIG COLOR SCREEN WITH BACKLIT: Unit with a big backlight screen makes you easy to see the readings clearly in poor light..
EASY AND INSTANTLY: Just turn BRIX meter on and drip several drops of solution in the metal sample groove, press READ button and wait for 3 seconds to get result. Very easy to operate..
MULTIPURPOSE TESTER: Tester for orchard worker to know your fruits maturation anytime. Unit has refractive index, BRIX and temperature functions 3 in 1 so can be use for various purposes as beverage shop, kombucha making, pummelo, orange, watermelon juice test, home drinking and cooking, food and catering, laboratory experiment, etc..
ENERGY CONSERVATION: Our product will deliver with 2 batteries. When you finished your test but forget power it off, unit will shut down automaticly in 60 seconds without any operation. Thus this function will save energy..

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Digital Refractometer Digital BRIX Tester Sugar Meter Ideal for Drinking Water Beverage Kombucha Orchard Fruit Juice Carbohydrate Content High Accuracy Portable Refractive Index Tester 0-95%

ACCURACY AND CONSISTENCY: Refractive index is effected by temperature, so we set Automatic Temperature Compensation (ATC) function for BRIX reading be accurate at various temperatures..
BIG COLOR SCREEN WITH BACKLIT: Unit with a big backlight screen makes you easy to see the readings clearly in poor light..
EASY AND INSTANTLY: Just turn BRIX meter on and drip several drops of solution in the metal sample groove, press READ button and wait for 3 seconds to get result. Very easy to operate..
MULTIPURPOSE TESTER: Tester for orchard worker to know your fruits maturation anytime. Unit has refractive index, BRIX and temperature functions 3 in 1 so can be use for various purposes as beverage shop, kombucha making, pummelo, orange, watermelon juice test, home drinking and cooking, food and catering, laboratory experiment, etc..
ENERGY CONSERVATION: Our product will deliver with 2 batteries. When you finished your test but forget power it off, unit will shut down automaticly in 60 seconds without any operation. Thus this function will save energy..

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