POWER 1200W; SPEED I GEAR 0-1200, II GEAR 0-3000MIN-1; FOR DIAMOND AND TCT CORE DRILL BITS, FOR TCT DRILL BITS MAX 20MM AND HSS DRILL BITS 22MM; CHUCK 16MM; IMPACT FREQUENCY: 19200MIN-1/ 48000MIN-1, FORWARD/ REVERSE FUNCTION; COLLAR SIZE 43MM; VARIABLE SPEED IN SWITCH; RUBBER CABLE 3M LENGTH