Lithium-Ion Rotary Hammer

Rated Voltage:20V Battery:4.0Ah *2 Rated No-load Speed:0-1350r/min Impact Frequency:0-4750bpm Single Impact Force:2J Max drilling Capacity:Wood 28mm Steel 13mm Concrete 22mm - Ultra Motor The Ultra Motor is a high-efficiency, high-powered motor with a golden hammer drill ratio that delivers high efficiency and fast work. - Long battery life High-quality lithium battery, with the exclusive intelligent algorithm control, low energy consumption, discharge more durable, long life. - Dual clutch release design Electronic release (current monitoring) + mechanical release (torque monitoring), automatically stop when hitting hard objects to prevent arm sprains, high safety.