Non-Contact Voltage Tester 12-1000V AC Voltage Detectors Automatic Shutdown Electric Car Tester Features: 1. It is adjustable sensitivity for different measurement applications and portable size for convenient carrying. 2. With sensitivity adjustment function, you can use the voltage tester without worrying about it will make noise without any operation. 3. Just set the sensitivity adjustment button to adjust the sensitivity (low, medium, high) to measure the voltage. 4. If the machine is not operated within five minutes, it will automatically shut down. Turn the top black button on the device to quickly and easily replace the battery if the device does not work. 5. LED light design makes it work even in dark environments. It is an ideal tool for the electric worker. 6. The voltage tester is equipped with audible and visual alarm to protect your safety. 7. LCD display: AC high pressure symbol, low power reminder, null line or live line distinction. Specification: Material: ABS Type: Non-Contact AC Voltage Sensor Color: Yellow Color Electrical Parameter: AC Voltage: 12V -1000V Alarm Mode: Voice/Light/Analog Display: LCD Display Screen Flashlight: Yes Low Battery Indicator: Yes Live Wire & Zero Line: Voice/Light/LCD Analog Display Non-Contact Sensitivity: Adjustable Powered By: 2pcs x AAA Cake (Not Included) Package Included: 1Pc x Non-Contact AC Voltage Sensor (Battery Not Included.) Note: 1. Please allow 0-1cm error due to manual measurement. Pls make sure you don't mind before you bid. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!