Features: 1. High brightness color light bulbs are more eye-catching and still clearly visible under sunlight, with a longer lifespan than ordinary light bulbs. 2. Self checking function: Through the human body circuit, a green high brightness light will be emitted. Before application, it is necessary to check whether the electric pen is working properly. 3. Intelligent chip: SMT LED beads, precise and sensitive lighting, high safety performance, and longer service life. 4. Zero line recognition, zero line detection, quickly identify based on the color of the light. 5. Strong adsorption of batch head: The head is designed with strong magnetic force, which can adsorb screws and small metal parts to improve work efficiency. Specification Pen tip: straight tip, cross tip Color Grey Blade material: Chromium steel, chromium steel with magnetic properties Shell material: ABS Size: 15 x 2 x 1 cm Weight: 32 g Package Include: 1x Screwdriver Electricity Detector