No-load speed 0~350r/min.0-1200r/min. Capacity: Drill:wood 21mm,Stell & Aluminum:10mm Drive:wood of screw 6mm(Diamcter)*20mm(Length) Mild/hard max torque:14/25N.M Barrery:9.6V 1.5Ah Ni-Cd * Charger:1 hour fast Charger * Keyless chuck for tool-free bit changes. * 16 stages adjustable clutch for precise torque setting. * Professional motor and durable gears * 3/8(10mm) half metal chuck