ITEM NAME:12~1000V Circuit Tester Voltage Electrical LED Light Test Tool Pen Detector New 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 We offer you what you need! 12~1000V Circuit Tester Voltage Electrical LED Light Test Tool Pen Detector New.Alarm Mode: Sound And Light Alarm. We'd like to settle any problem in a friendly manner. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted. Storage Temperature: -10-50℃.