ITEM NAME:Voltage Tester Pen 12~1000V Non-Contact Volt Alert Sensor Detector Stick Best 1x Descriptio n Description: 1. The alarm mode adopts sound and light alarm which is able to alarm you in time 1. Adopt inductive testing without physical contact, easy to operate. 2. This testing pen can check the voltage on the control wires, conductors and sockets or check the wire break position along the wires. 3. It can be used in dark environment or under night, the lighting and the probe are combined into one, which is convenient for measurement and more worry-free. 4. Suitable for testing household appliances and industrial electricity Specifications: Material: Outer Plastic Color: Yellow Size: 16.5*2*2cm AC Voltage Range: 12-1000V Frequency: 50Hz/60Hz Alarm Mode: Sound And Light Alarm Operating Temperature: 0-40℃ Storage Temperature: -10-50℃ Package Included: 1 * Non-Contact Voltage Detector Pen Whatever the ending's perfect or not, you can't disappear from my world Voltage Tester Pen 12~1000V Non-Contact Volt Alert Sensor Detector Stick Best 1x.Alarm Mode: Sound And Light Alarm. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted. Whatever the ending's perfect or not, you can't disappear from my world.