Item DescriptionSpecification Material: PlasticSize: 143 * 36 * 18.7mm / 5.63 * 1.42 * 0.74 Weight: 30gDetection range:DC Voltage: DC12 / 36/55 V.AC Voltage: AC70 ~ 250VBattery model: (Batteries excluded) Features This new type of pen screwdriver has two colors: green. It can detect the voltage of the electrified part, including AC and DC.Three AG10 button batteries are used for power supply (batteries are not included) and LED lighting for convenient use after power failure.AG10 battery parameters (shipment excluded):Voltage Capacity (mAh) - Load Resistance () - Diameter Size (mm) Height (mm) Weight (g)AG10 1.5v-80-15K-11.6-3.1-1.10Characteristics:It can use non-contact shape to detect whether the object is electrified or not, and can detect automobile high-voltage tapping line.Blue Screen: Test in a dim environment can also clear the value.LED Lamp lighting, easy to find lines in dim environment, and can be used as emergency flashlight. Product includes 1 X LCD Digital Display Voltage Test Pen