WinAPEX Intelligent Voltage Detector Non-contact AC Voltage Tester Pen Meter Features: Non-contact and Pen Shaped Design, convenient to operate and carry. RED/GREEN Light LCD Display: can read the testing clearly. Wide AC Voltage Range: can test voltage in 12V~1000V or 48V~1000V. 2 Alarm Modes: sound or light alarm. Live Wire and Null Line Type: green light for wire; red light for live wire. Signal Intensity Indication: the sound from slow to fast; the backlight from green to red; the bargraph from low to high. sensitivity from low to hign. LED Flashlight: can use at night or dark environment conveniently. Auto power off: it'll power off in 3 minutes if there's no operation. Widely used in the investigation of industrial power and home line. Specifications: Name: WinAPEX ET8900 Color: Black Material: ABS Display: Bargraph AC Voltage Range: 12V~1000V(High Sensitivity) / 48V~1000V(Low Sensitivity) Frequency: 50/60Hz Alarm Mode: Sound and Light Live Wire and Null Line Type: green light for null line; red light for live wire Auto Power Off: 3min Low Battery Indication: Yes Level: EN61010-1, -2-030; EN61326-1, III 1000V Power Supply: 2 x 1.5V AAA Batteries(Not Included) Item Size: Approx. 15.6 x 2 x 2cm / 6.14 x 0.79 x 0.79in Item Weight: Approx. 32g / 1.13oz Package Size: Approx. 16.1 x 3.3 x2.8cm / 6.34 x 1.30 x 1.10in Package Weight: Approx. 46g / 1.62oz Package List: 1 x Voltage Tester 1 x User Manual(English)