ACCESSORIES: 6pcs screwdriver bits 1 set carbon brush Specifications: Voltage: 220-240V~50-60Hz Input power: 550W No load speed: 0-2500rpm Bit shank: 6mm(1/4″) Hex Key Features: 1: Adjustable depth locator for easy and consistent screw depth setting 2: Aluminum gear box for durability 3: Variable speed for different work 4: Forward and reverse rotation 5: Belt clip for convenient use 1 Year Service Warranty - Direct to Total Service Center