This cordless precision screwdriver includes 6 bits and is compatible with standard 4 mm bits. It is ideal for precision work such as smartphones, tablets, laptops, toys, cameras, PCs, watches, instruments and other household appliances. The built-in LED work light provides visibility when working in low light areas. LED Illumination Precision Screwdriver Bits USB rechargeable Li-Ion Battery Included Bits phillips Phillips: #000, #00, #0 slotted Slotted: 2.5, 2.0 torx 6 Lobe Star Tip: T5, T6 Speed (no load) 100 rpm Output Torque 0.4 n.m LED Illumination 3 LED lights Battery Rechargeable Li-Ion battery 3.6V 350mAH Charging Time 1.5 ~ 2 Hours Charging Voltage DC 5V Free Running Time 30 min Accessories 7 pcs 4mm Bits: #000, #00, #0, SL2.0, 2.5 T5, T6, 3 ft. Micro USB charging cord (24AWG) Dimensions 6.3 x 1 x 0.9 inches Weight 0.13 lbs