Intelligent Voltage Tester Pen Intelligent Flashlight Buzzer Tester High Brightne Double Lamp Color Light Pencil Detection Feature: 1. High hardne and good electrical conductivity 2. Maintenance electrical measurement / screwdriver aist 3. Humanized clip design for easy electrical maintenance and portability 4. Fully insulated anti-fall material, durable and improved safety performance 5. Self-checking LED high-brightne bulbs: high-brightne works smoothly and is still clearly visible in the sun Uses: can be used in electronic factories, electrical appliances, car maintenance, household, etc., widely used Specification: Battery model: LR41 X 3 (Included) Measuring range: voltage 70-250V Bit material: chrome vanadium steel Shell material: ABS Size: About 160mm Product function: 1. Neutral line identification: white light is on; live line identification: white light and red light are on at the same time, buzzer alarm 2. Detection along the line: white light means the line is unblocked, no light means the line is disconnected 3. Wire switch: if the plug and the inner core of the wire are intact, the light will be on, and if it is not on, it means that the core wire is in poor contact. Packing List: 1 * Voltage Tester Pen 3 * Batteries