Comes with 56pcs alloy steel bits: including Phillips, Slotted, Hex, Torx, Pentagram, Y-type, Square, Triangle, U-type to compatible with most electronic devices Delicate and beautiful appearance design, made from the upgrade quality aluminum alloy for comfortable touch and longer life Ultra precision flexible circuit design, ensure long life time Built-in rechargeable Lithium battery, easily charged by USB cable Continuous no-load for 2 hours, and endurance for 180 days With 3 LED shadowless lights, more convenient to do the repairing job Equipped with magnetic board, holding the screws taken off from the repairing items, no screws lost Automatic and manual operation design, ensure high working efficiency Screwing, Drilling and Threading multi-function, meeting your different working demands A great helper for your daily repairing projects Specification: Bit Material: S2 Alloy Steel Screwdriver Size: 15.8 x 173mm Power Source: Lithium Battery Torque: 0.15N.M (automatic), 3N.M (Manual) Speed: 2000r/min LED Lighting: 3pcs LED Charging Port: micro USB Charging Time: 40mins Screwdriver Bit Type: - Phillips: PH0000/ PH000/ PH00/ PH0/ PH1/ PH2 - Slotted: SL1.0/ SL1.5/ SL2.0/ SL2.5/ SL3.0/ SL3.5/ SL4.0 - Trox: T2/ T3/ T4/ T5/ T6/ T7/ T8/ T9/ T10/ T15/ T20 - Hex: H0.7/ H0.9/ H1.3/ H1.5/ H2.0/ H2.5/ H3.0/ H4.0 - Pentagram: P2/ P5/ P6 - Y Shape: Y0.6/ Y1.0/ Y2.0/ Y2.5/ Y3.0 - Square: SQ0/ SQ1.0/ SQ2.0 - U Shape: U2.0/ U2.6/ U3.0 - Triangle: 2.0/ 2.3/ 2.5/ 3.0 - Needle: 0.8(SIM card tray pin) - W1.5 - (4x45mm) Screwdriver: PH0/ PH2/ SL2.0/ H2.0