Digital NonContact Current Voltage Detector Test Pen Measuring Instrument AC121000V(Black Red ) Condition: Item Type: Test Pen Material: ABS Color: Yellow + Black, Black + Red, Red + Black (Optional) AC Voltage Range: AC 12-1000V Frequency: 50/60HZ Alarm Mode: Sound/Light/Simulation Display: LCD Screen Flashlight: Support Probe Shape: Flat Battery Indicator: Support Live Line and Neutral Line: Sound/Light/LCD Analog Display Non-Contact Sensitivity: Adjustable Automatic Shutdown: Automatically shut down in 3 minutes without induction or operation. Working Power Supply: 2 x 1.5V AAA (Battery Not Included) Working Temperature: 0-40℃ Storage Temperature: 10-50℃ Altitude: Less Than 2000m / 6561.7ft Package Size: Approx. 19.00x4.00x3.00cm / 7.5x1.6x1.2in