1) INPUT POWER:1500W 2) Impacting Frequency:900-1900r/min 3) Net weight:10. ... province,China. Produce Angle Grinder,Electric Drill,Impact Drill,Rotary Hammer,Demolition Hammer,Orbital Sander,Circular Saw,Chain Saw,Polisher Sander etc .Also ... -83448099P.C:226241Cell Phone:1867 351 3217 /152 5061 9766 DEMOLITION HAMMER GSH11E