BENETECH GT3122 Non-contact Tester Pen Meter Digital ACDC Voltage Detectors Features 1. Dual sensitivity mode (12~1000V, 48~1000V) 2. Self-test function when power on (beep and red light) 3. LCD screen indicator: Since the multimeter has a flashlight function and a large backlit screen, the value can be clearly read even in dark places. 4. Low power consumption: The pen multimeter has an automatic shutdown function, which will automatically shut down if there is no operation within 3 minutes. It uses two 1.5V AAA batteries (Not included)with very low power consumption. 5. Digital multimeter supports NCV non-contact voltage detection, and can distinguish the null line and the fire wire to avoid the risk of electric shock. Safe and reliable. Specification 1. AC Voltage: 12V -1000V 2. Frequency: 50Hz60Hz 3. Alarm Mode: SoundLightLCD Screen 4. Display: LCD Display Screen 5. Flashlight: Yes 6. High and Low Sensitivity Switch: Yes 7. AC Voltage Detect: Yes 8. Low Voltage Indicator: Yes 9. Auto Power-Off: Automatically shut down when there is no induction or operation for 3 minutes. 10. Battery type: 2 x 1.5V AAA Battery (not included) 11. Size: 167.45 x 26.30 x 21mm 12. Weight: 47.4g 13. Operating environment: 0-40 degree C, relative humidity: Less than or equal 95%. 14. Storage environment: -10-50 degree C