High Performance: 4 speed up to 130 foot pounds of torque and 3000 RPM Powerful Motor: 20 Volt Max* brushless motor Versatility: 4-speed selector switch for greater control Quick and Easy: 1/4-in hex drill bit holder for easy and secure bit connection Convenience: Reversal Auto Stop button, Bright LED light Includes: 20V 2Ah lithium-ion battery, 2A battery charger Voltage: 20V DC Motor type: Brushless Chuck Size: 1/4" (6.35mm) No Load Speed 0-1100/0-2100/0-3000/0-3300 rpm No-Load IPM 0-1100/0-2600/0-3600/0-3800 ipm Max. Fastening Torque: 180Nm Speed power selection: 4-Mode Fastening capacities :Machine screw: M4-M8 Standard bolt: M5-M16 High tensile bolt: M5-M12 Weight(Only Body): 0.9kg