ReviewsVoltage Indicating System

WGGE AC Voltage Tester/Non-Contact Voltage Tester with Dual Range AC 12V-1000V/48V-1000V, Electrical Pen with LCD Display and Flashlight Buzzer Alarm, Detect Wire Breakpoint, Live/Null Wire Tester

  • ...and rate of flashing lights great, even in noisy environments..
  • Accurately Multi-ranging Measurement - The electrical tester accurately detects AC Voltage ranging from 12V to 1000V, and distinguish them into 3 Voltage levels (low, moderate, high). NCV sensitivity automatically adjusts from low, medium and high while indicating Voltage level with audible beep..
  • Low Voltage Indicator & LED Light - The shining prompt of low voltage LED and alarm of the power tester pen can warn you to replace the battery in time, while the LED light allows operation even in dark environment..
  • Auto Power Off Tester -The electrical tester operated with 2 x 1.5V AAA batteries(not included), auto power off after no operation for 3 minutes to save energy. Lightweight, durable construction with convenient pocket clip, a perfect handy tool for electricians or daily use..
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Wisesorb Premium Indicating Silica Gel Beads (Blue to Pink), Reusable Desiccant Dehumidifier, 8 LBS

  • Indicating silica gel beads: 8lbs indicating silica gel utilize premium quality raw material. The strong moisture absorption ability allow beads to begin to change to different colors at 20%RH, 30%RH, 40%RH, 50%RH and will complete changing colors to pink. You can check the instruction to measure the humidity and moisture. Each Blue indicating bead is 2-4mm in size.
  • Easy to reactivate: Check to see if the indicating silica gel beads have changed from Blue-to-Pink in color. Once pink, place the beads on waxpaper then place it into the oven to reactivate for 3 hours at 250℉/121.1°C.
  • Widely Used: Indicating silica gel can protect any enclosed storage space such as safe, ammo cans, ammo boxes, tool box, 3d printer filament sealed plastic storage box, weapon case, closet, etc. 8lbs indicating silica gel provide a better solution keep moisture from guns, important papers, legal papers, collectibles, books, jewelry, photo album, shoes, camera lens, toys, leather clothing, ammo, photo equipment.
  • Great absorbing capacity: General estimate when used in an air-tight sealed container: each 40 grams of active, the indicating silica gel can protect up to 30 cubic ft of any enclosed storage space.
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Ornin T108 Trimline Corded Telephone, SOS Key, Wall Mountable, Hotel and Home use Phone(White)

  • Wall Mountable Telephone | It is designed to use everywhere, especially in the hotel. Perfectly compatible with the wall mounted plate..
  • Red 911 button | This dedicated quick dial button is easy to use in emergency and compatible with the hotel phone system..
  • ON/OFF Ringer Switch | User can turn off the ringer to avoid disturb in their bedroom or in the hotel..
  • MUTE button | you can still hear the other party while muting your side of the conversation..
  • Indicating light | It comes with an indicating light on the right top corner which helps people to notice the incoming calls even when the ringer is off..
  • Redial | A redial feature lets to quickly call the last outgoing number..
  • No external power required | Working directly with a current telephone line..
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Wired Telephone Voice Auto dialer Safety Alarm System Burglar Security House Alarm System for Complete Home and Business Security with Mounting Accessories

  • door alarm.【Intelligent Judgment】This item can save four groups of telephone numbers, each phone number can store up to 16 digits. After power down, the phone number, voice is not lost, intelligent judgment function..
  • door alarms home security.【Microcomputer Design】Microcomputer design, can be seen, audible, can be recorded, can be put all-round automatic dial-up help. It can be selected according to different host requirements N, C N, O or voltage input trigger signal..
  • home security system.【Automatically Record Voice IC】Microcomputer automatically record voice IC in 10 seconds, through the machine's microphone and speakers, direct recording or put 10 seconds of voice messages, without the need for another phone..
  • 【With a Password】If accidentally triggered or when the situation occurs, you can always enter the password directly through the panel keys to stop the call..
  • 【100% no Error】The panel can be seven digital display, indicating the top or button echo, directly detect the input of the phone number and help voice is correct. All-round boot, self-detection function, to eliminate the occurrence of failure..
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LETONNEY Non-Contact Voltage Tester Outlet Tester with LED Flashlight & Buzzer Alarm, Electrical Tester Pen with Dual Range AC 12V/48V-1000V Live/Null Wire Tester (Gray)

  • ...rea. The non-contact voltage detector measures voltage in a contactless manner, so you don't have to worry about being struck by electricity, super safe..
  • 【Non-Contact】NCV induction probe with AC voltage, when the tip is close to an outlet or power cord, the voltage tester pen tip glows red and the alarm sounds, indicating the presence of voltage. The voltage detector automatically detects live or neutral wires and is ideal for breakpoint testing. Therefore, this electricity tester can be easily used by men and women of all ages..
  • 【More Portable Storage】Pocket-sized electric tester tool has a pen hook, allowing you to take it in your shirt pocket.
  • The body of the ac voltage detector is made of ABS material, durable and resistant to fall.
  • Handy outlet tester for electricians, homeowners, can automatically recognizes the voltage and displays it through the LED indicator..
  • 【Absolute Security Assurance】Professional electric tester pen, passed CE CAT III600V RoHS testings.
  • The voltage tester is also equipped with a customized pen sleeve, which can completely wrap the test pen, avoid scratches, and easy to store.
  • Default boot displays three green lights, automatic Power Off after 5 minutes standby to prolong....
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Ingcool Compatible with Raspberry Pi Expansion Board Power Relay Module Kits for Raspberry Pi 4B/3B+/3B/2B/ A+/B+ 5A 250V AC/ 5A 30V DV

  • Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards.
  • The RPi Relay Board gives your Pi the ability to control high voltage/high current devices, easily makes normal home appliances become intelligent..
  • High quality relays, loads up to 5A 250V AC or 5A 30V DC.Photo coupling isolation, prevent interference from high voltage circuit.
  • Relay control jumper, allows to control the relays by custom pins other than the default pins.Onboard LEDs for indicating relays status.
  • Comes with development resources, including examples in wiringPi, WebioPi, shell, python, and bcm2835.
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Fluke 83-5 Industrial Digital Multimeter

  • Digital multimeter measures AC/DC voltage, current, frequency, resistance, and capacitance, and performs continuity and diode tests.
  • Average-responding, RMS-indicating meter provides correct readings for linear loads such as induction motors, resistive heaters, and incandescent lights.
  • Min./Max. average recording with Min./Max. alert to capture variations automatically.
  • Analog bar graph for fast changing or unstable signals.
  • Safety rated for Category III to 1,000V and Category IV to 600V.
  • Auto and manual ranging for maximum flexibility.
  • Measure up to 10 A, 20 A for up to 30 seconds.
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allsun AC/DC Current Mini Clamp Meter Probe Tester Handheld Digital Electrical Clamp Multimeter CAT III Max.Input 400A/600V 50Hz-60Hz LED

  • 〖Quick and Accurate AC/DC Amp Clamp Meter〗 is based on Hall Effect technology and is designed to be used in conjunction with multimeter for ac and dc current measurements..
  • 〖Max. Jaw Opening〗The Clamp measures the AC current in a conductor up to 33mm without interrupting the circuit, Max. Conductor Size: ∅ 28mm..
  • 〖Power/Low Voltage Indication〗When the battery's voltage is enough, the LED lights green. When the battery's voltage is less than about 7.5V, the LED lights red indicating that the battery is not high enough and should be replaced immediately..
  • 〖Multifunctional & Easy to use〗Range Switch, Used to turn on/ off the Current Probe as well as to select the desired,range, ZERO Button, AC/DC Button, AC/DC Button..
  • 〖Handheld Electrical Tester〗AC/DC Current Probe Digital Clamp Multimeter, it's suitable for the electrical repair,quality assurance.
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10L0L Golf Cart Quick Charge 3.1 Dual USB Charger,2 in 1 USB Ports & LED Display Voltage Meter Universal for Club Car,EZGO and Yamaha,Metal Shell Safe Charging Socket 9V-48V Wide Voltage Input

  • ... compatible devices simultaneously, it's a Big Time-Save.
  • Suitable for all popular QC3.0 devices ,also deliver the fastest possible charge to Non QC 3.0 surpported devices.
  • 【Voltage Meter】Blue LED Voltage Display monitories the golf cart battery in real time and indicating the voltage in screen, let you know the battery status while driving.NOTE:when the voltage under 12V,you need to pay attention to your golf cart in case there's something wrong.
  • 【 Aluminum Alloy Shell】Aluminum alloy body ,scratch resistance keeps it sturdy&durable.
  • This Upgrade metal usb charger will not be overheating at high temperature, which is more safer than plastic one.
  • 【Full Protection,Safe Charge Guarantee】Built-in Smart IC Chip will intelligently detect your devices and charging devices at optimal current.
  • Resisting Over-load, Over-heat, Over-voltage, Over-current and Short-circuit. A waterproof and dustproof TPU cap makes it stable and durable.
  • 【9-48V Wide Voltage Input】This usb charger accepts 9V/12V/24V/36V/48V power input,universal works on most golf carts like Club....
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Oassuose USB 3.1 Front Panel Adapter,Internal Vertical USB 3.0-IDC 20 Pin/19Pin to Type E Key-A 20 Pin Header Adapter for Type C Panel Mount Adapter

  • ★【 Advantage 】:USB C header adapter Supports All Computer Motherboards with USB 3.0/ 3.1 19-pin header -(Blue or black socket).Not limited to operating system..
  • ★【 Function】:USB 3.0 19Pin to Type-E 20Pin front panel adapter, the connection is stable.can be extended to PC front pannel USB-C ports.Connect any of your Type C interface devices..
  • ★【Parameter】: Supports data transfer with USB-C devices at speeds up to 5Gbps. Both sides can be inserted. The maximum voltage is 5V, the current is 0.9A, and the power is 4.5W. PD charging is not supported..
  • ★【Craft】:The high-quality 4-layer PCB circuit design, stable signal, strong anti- interference ability.LED indicating working status, and good connector metal contacts make the product reach a stable working state..
  • ★ 【High-quality service】: provides a 24-month warranty and lifetime customer support, please rest assured to buy. If you have any questions, please feel free to contact us, you will get an answer within 24 hours..
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AITIAO 2Pcs GY-271 QMC5883L Triple Axis Compass Magnetometer Sensor Module 3-5V IIC Electronic Compass Module Magnetic Sensor Module

  • TCRT5000 infrared reflection sensor, infrared emitting diodes constantly emit infrared rays.
  • Widely used for pulse data sampling of watt hour meter, paper detection of fax shredder, obstacle detection, black and white line detection.
  • also it provides a versatile infrared detection system solutions for automation machinery devices.
  • When object is in detecting range, infrared ray will be reflected back with high intensity, the module outputs high level and indicating diode is on.
  • when the infrared ray emitted is not reflected back or intensity is not high enough, the infrared receiving tube is in the off state and module outputs low level,while indicating diode is off.
  • Black line low output, white line high output.
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