1. Display: LCD display
2. Voltage detection range: AC12 - 300V, 50/60HZ
3. Mode: sound and light alarm
5. Backlight: red and green dual color
6. Power supply: 1x1.5v AAA battery (not included)
7. Signal strength indication method: sound from slow to fast; backlight from green to red; LCD data from small to large
8. Automatic shutdown: no operation, no sensing signal, automatic shutdown in about 5 minutes
9. Neutral line measurement: the display shows "U" and the buzzer sounds slowly
10. Live line measurement: the display shows "H" and the buzzer sounds quickly
11. LED provides lighting in dark environments
12. The tip of the measuring pen is hardened, generally avoid using it as a screwdriver
13. Weight: 38g
14. Size: 147x20x25mm