The voltage pen tester uses non-contact voltage detection, so there is no need to worry about the possibility of electric shock. It also has the functions of sound and visual instructions and working lights.Product description 1. It is not necessary to press the test like an old pen to ensure human safety. 2. The non-contact voltage tester can be used in residential businesses, electricians, maintenance, factories, etc. 3. It is compact, safe and easy to carry. It is very suitable for home and power industry.Features: Detects AC Voltage from 30V to 1000V CAT IV-600V safety rating Suitable for outlets or against wire insulation testing Audible and Visual indication Work light Line Test Auto Power off Convenient size with pocket clipProduct attribute AC Voltage: 30V-1000V Frequency: 50/60Hz Product Color: Black Safety Rating: CATII1 1000V Battery Type: 1.5V AAA*2not containWarm reminder 1. Please remember that due to the lighting effects, the monitors brightness / contrast settings / etcs, there will be some slight differences in the color of the pictures and the actual items. Measured by hand, deviations of 1-2 cm are possible. 2. Please leave us a message if you have any questions. We will respond and offer you our best service.