Brushless motor
Voltage: 20V
Max torque: SPANNER:310/280/250 N.m
Screwdriver:90/105/120 N.m
Driving shank: 12.7mm (1/2 inch) Square/ 1/4” inner hexagon
No load speed: 0~2500/0~2100/0~1800rpm ±5%
Recommend: 4000MAH or 5000MAH Li-ion battery + 4.0A Quick Charger