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 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 Our products are made from very reliable, high-quality materials ,sure to meet the needs of your daily life. Before placing an order, we suggest that you always check the size and model of the product carefully to ensure that the selected product meets your actual needs. If you encounter any problems, please contact us in time, we will try our best to provide you with solutions until the problem is solved satisfactorily. After you receive the product, we attach great importance to your feedback, no matter how your comments, we will listen carefully. Every customer can enjoy the free after-sales service we provide, and any damaged or quality problem products can be refunded or exchanged.