Suitable for home and electrical industry. Ideal for testing power cables, circuit breakers, wall outlets, junction boxes, fuses, etc. Just press the button and the white LED light will stay on when there is no voltage. Compact structure, safe and convenient to carry. Complete insulation with no exposed metal or conductive parts. Features: 1. Suitable for household and electrical industry. 2. Ideal for testing power cables, circuit breakers, wall outlets, junction boxes, fuses, etc. 3. Simply press the button and the white LED light will stay on when there is no voltage. 4. The "beep" sound and the flashing red LED indicate the existence of the voltage. 5. Complete insulation with no exposed metal or conductive parts. 6. Long service life and low power consumption. 7. Compact structure, safe and convenient to carry. Features: Measurement voltage: AC 60V to AC 1000V Operating temperature: - 10 to 50 Storage temperature: - 10 to 50 Operating humidity: 80 percent Pollution index: 2 Cleaning method: wipe with a damp cloth Working power: 2 x no. 7 batteries (not included) Contents: 1 voltage test pen. Note: 1. When the pen senses or detects voltage, the white part of the pen will glow and buzz. It is easy to detect the line of fire and know which line has the dangerous voltage. 2. There is a button in the middle of the induction pen, press it, and there is a bright LED at the tip of the pen, which can be used as a flashlight. In the dim working place, it is easy to complete the line test work without the help of the flashlight Number of products: 1 piece Color yellow Size: 152x23x15mm Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.