Cordless 2 pcs combo kit Voltage: 20V 1 Pcs cordless angle grinder(TAGLI21154) 1 Pcs compact Brushless Cordless Impact Drill(TIDLI206681) Cordless angle grinder(TAGLI21154): Brushless motor Voltage: 20V Max input power: 1000W No-load speed: 3000/6000/9000rpm Disc diameter:115mm Spindle thread:M14 Compact Brushless Cordless Impact Drill(TIDLI206681): Brushless motor No-load speed: 0-500/0-2000rpm Max impact rate: 30000bpm