Easy to carry in your shirt pocket and with continuous self-test so you always know it's working, the Wnice non-contact voltage detector allows you to quickly test for energized circuits in the workplace or at home. The Volt Alert AC non-contact voltage testers from Wnice are easy to use - just touch the tip to a terminal strip, outlet, or supply cord. When the tip glows red and the unit beeps, you know there's voltage present. Electricians, maintenance, service, safety personnel, and homeowners can quickly test for energized circuits in the workplace or at home. OPERATION 1.How to test Voltage Presence Use test pin near the wire, the test pin will glow and buzzer will start if the wire is live. 2.Replace batteries Please replace the batteries inside if the light and sound are weak, Please refer to the following picture to replace batteries. Warning:Don't place the alert near voltage over 1000V AC. CHECK BEFORE USE Never test voltage more than 1000V AC Test voltage range:90V-1000V AC AAA1.5*2 Battery life:6 Hours on continuous use
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