Description: This new type of pen screwdriver has two colors: red and orange. It can detect the voltage of the electrified part, including AC and DC. Three AG10 button batteries are used for power supply (batteries are included) and LED lighting for convenient use after power failure. AG10 battery parameters (shipment included): Voltage Capacity (mAh) - Load Resistance (Ω) - Diameter Size (mm) Height (mm) Weight (g) AG10 1.5v-80-15K-11.6-3.1-1.10 Characteristics: 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. Specifications: Material: Plastic Size: 143 * 36 * 18.7mm / 5.63 * 1.42 * 0.74 " Weight: 30g Detection range: DC Voltage: DC12 / 36/55 V. AC Voltage: AC70 ~ 250V Battery model: (Batteries included) Package Contents: 1 X LCD Digital Display Voltage Test Pen Made of high quality material, durable and practical to use. Perfect functions,give you a wonderful experience. If you have any questions, please feel free to contact us, we will solve it for you. Every customer can enjoy 30 days refund or replacement for Damaged/Quality Issues. AC/DC Non-Contact LCD Electric Test Pen Voltage Digital Detector Tester.