color green Accessories 27pcs net weight 1.68kg gross weight 4.8kg Package Size 30.00cm*25.50cm*13.00cm motor brushless Voltage 21V Battery Type lithium battery Battery Type 6000mAh battery quantity 2 battery Power supply type Rechargeable-lithium battery Maximum torque (label) 520N.m no-load rate 0-3300r/min Shock frequency 0-3500 b/min Tool Chuck 1/2 (12.7mm) square, square shank socket, handling bolt 1/4" (6.35mm), Hex Shank Drill Bit, Screwdriver/Drill" charging time 1-2 hours