1)Professional Rotary Hammer,ET02603RH,900W/1050W 2)Impact Rate:5200/min,concrete:26mm 3)With CE,GS EMC certification Rotary Hammer,One Button With Four Functions.with CE,GS EMC certification Product NameRotary HammerModel No.ET02603RHInput power 900W/1050WNo-load speed0-1100rpm/minImpact Rate5200rpm/minSteel Dia13mmWood Dia30mmConcrete26mmN.W/G.W1.8/1.6KGSPacking Size44x42x34cm/4pcs