1)Patentdesignforoutshapeandcouplingconstruction,PatentNo:200630119798.8. 2)Variablespeed,reversingswitchdeliversversatilityinallapplications 3)24Vhighperformancebatterypackprovideslongrun-time batterylife 4)Factory-setclutchreducessudden,hightorquereactionsifbitjams 5)Electro-pneumatichammermechanismforfastpenetrationandlowvibration 6)360 sidehandleforbettercontrolandeasyofuseintightspaces 7)ChargeTime:rapidcharge1.5h*Specifications: Ratedoutputvoltage:24VDV Ratedpowerinput:500W Keylesschuck:13mm Drillingcapacity:Mildsteel:13mmWood:28mMasonry:20mm Doubleedge：6071g ChargerWeight:666g Normalloadspeed:0-900rpm Sizeofelectrichammer:332 100 210mm*Standardaccessories: 3SDSconcretedrillbits,chuck13mmwithdrill,Chuckkey,SDSadapter,chargerbattery 1)Packagingdimension:BMC50 30 12.5cm 2)CartonDimension:53 37 13cm