Four PCB protection technologies extend the service life of the battery and more secure to use.Three shadowless LED lights can be and bright in dark corners without fear, so that you can see tiny screws at a glance.Using strong , the maximum rotation speed can reach 200RPM* and the concentricity of the batch head is 0.2MM* when the all-metal rotates, which effectively improves the finishing efficiency.The hardness of 42 pieces of high-quality S2 tool steel batch can reach 60HRC*, which is tough and durable to meet the needs of mainstream electronic products and timely disassembly of new small household appliances.Aluminum alloy handle feels comfortable, and is suitable for the maintenance of mobile phones, tablets, , watches, drones, cameras, game machines, razors and other tools and digital products.Name: electric screwdriver setGear position: 2 gears in totalBatch size: H4x40mm, H4x28mm.Lighting mode: 3 led lightsCharging time: Less than 70min, red light will be on when charging, and green light will be on after charging.Battery life: standby battery life of 60 days/fully for 1 hour.Colour:blackMaterial:Steel + aluminum alloyPackage Contents:1 x electric screwdriver set (1 x screwdriver, 1 x data cable, 42 x batch head)Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.