ITEM NAME:1* Non-contact Electronic Digital Display Test Pencil Vd02 with Led Nice Descriptio n Description: How to use: Non-contact electric pen, integral insulating plastic seal, you are at the time of electrical examination, the most safe protection, without any risk of electric shock. 1, the pen sensor or detection of voltage, the white point of the pen will glow and beep, it is easy to detect the FireWire, and know which line has a dangerous voltage. 2, the induction electric pen middle position has a button, press, the pen has a bright LED will glow, can be used when the torch, in the dim work place, you can easily complete the line of work without a flashlight! Specifications: Measurement voltage: AC 90V to AC 1000V Operating temperature: -10 to 50 ℃ Storage temperature: -10 to 50 ℃ Operating Humidity: 80% Cleaning method: Wipe with a damp cloth Operating power: 7th Battery 2 section (product does not contain battery) Product Size: 15.2*2.2*1.7cm Color: Black and yellow random Product Weight: 40g Package Included: Test pencil *1 Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. Whatever the ending's perfect or not, you can't disappear from my world 1* Non-contact Electronic Digital Display Test Pencil Vd02 with Led Nice.2, the induction electric pen middle position has a button, press, the pen has a bright LED will glow, can be used when the torch, in the dim work place, you can easily complete the line of work without a flashlight!