Adopts humanized pen clip design, this non-contact electric pen Features novel appearance, stable performance, safe and easy usage, low power consumption, high sensitivity, etc, special for electrician in household line detection. Features: Non-contact AC Voltage Detection: more convenient and safer to detect voltage, excellent NCV sensing probe ensures fast response. High and Low Sensitivity Switch: switching between high sensitivity(12~1000V) and low sensitivity(48~1000V) by press green button. Sound, Light and Screen Alarm: once detected the AC voltage, the signal indicator will light up, the analog bar will grow higher or lower, and the beeping sound will appear. Flashlight Function: high brightness LED flashlight is convenient to use at night or dark environment. Low Power Consumption: powered by 2pcs 1.5V AAA battery(NOT included), and it has low power indicator to remind you. Power Saving Automatic Turnoff: test pencil will automatic shutdown if there is no operation and detect no voltage signal within 3 minutes. Specifications: Material: ABS Safety Level: CAT.III 1000V / CAT.IV 600V:CE AC Voltage: 12~1000V, 50/60Hz Working Temperature: 0~40 Storage Temperature: -10~50 Humidity: 95% Altitude: 2000m Power Supply: 2 * 1.5V AAA battery (NOT included) Item Size: 168 * 26 * 21mm / 6.61 * 1.02 * 0.83in Item Weight: 33g / 1.18oz Package Weight: 55g / 1.98oz Package Size: 20.7 * 9 * 3cm / 8.15 * 3.54 * 1.18in Packing List: 1 * Voltage Detector