2PCS High Torque Alloy Dual Light Color Light Measuring Electric Pen Induction Electric Pen Screwdriver, Voltage Detector Pen, Electrical Tester Pen with Light Specifications: Product Name: High Torque Alloy Dual Color Light Measuring Electric Pen Bits: Straight and Cross Color: Gray Bit Head Material: Magnetic Chrome Steel Shell Material: ABS Size: 5.4 x 0.6 inches Weight: 45g Package Includes: 2 High Torque Alloy Dual Color Light Measuring Electric Pens Notes: Please allow a measurement error of 1-2 cm due to manual measuring. The actual color of the item may differ from the pictures due to variations in display and lighting. Thank you for your understanding. ⚡【Neon Display】 - The circuit pen lights up with neon when voltage is detected, with brightness indicating the voltage level. ⚡【Neon Display】 - The circuit pen lights up with neon when voltage is detected, with brightness indicating the voltage level. ⚡【Usage】 - Before testing, insert a screwdriver into the bottom and hold the handle. If voltage is present, the neon tube lights up safely. ⚡【Usage】 - Before testing, insert a screwdriver into the bottom and hold the handle. If voltage is present, the neon tube lights up safely. ⚡【Comfort Handle】 - The anti-slip handle ensures stability and safety. Suitable for both AC and DC circuits, displaying readings via neon.