Non-contact AC Voltage Detector Tester Meter 12V-1000v Pen Style Electric Indicator LED Outlet Voltage Dectetor Specifications: 1. Measuring Range:12~1000V 2.Non-contact AC Voltage Tester 3. NCV Sensitivity:High,Medium,Low 4. Alarm mode: Sound and Light 5. Accuracy Class: Class III 6. Flash light: Yes 7. Power Supply: 2 x 1.5V AAA Batteries(Not Included) 8. Operating Temperature:0~40 9. Display Type: Digital Only 10. Probe Shape: Prolate 11. Dimensions: 156 x 20 x 20mm Notice The starting default AC voltage detection range of the tester: About 48lOOOV. Press the AC voltage detection range switching button (S), the detection range indicator lights up, and the detectable voltage range of the tester is about 121000V. Press the AC voltage detection range switching button (S) again, the detection range indicator lights off, and the detectable voltage range of the tester is about 48lOOOv. Automatic shutdown function When there\'s no operation of the tester and there's no voltage signal detected by the tester within 5 minutes, the tester will power off automatically. Battery undervoltage indication When the battery voltage is lower than about 2.6V, the power indi cator flashes for 3 times,while the buzzer makes a sound and then turns off. Please replace the battery timely. Package includes: 1 x AC Voltage Tester