The full range of 16v and 20v brushless systems gives you variable speed control and a safe braking system with a versatile battery and allows for a large number of charge cycles Battery voltage:16v Output shaft:1/4"lnner six angle No-load speed:3200r/min Impact frequency:4000bpm Maximum torque:150N.m Net weight:0.82Kg Bolt specification:M4-M12 Delivery time:30 days for OEM,15 days for ready goods Payment method:T/T,L/C Standard accessory:BMC BOX*1,battery*2,charger*1