VEVOR Demolition Jack Hammer Concrete Breaker 1400W Electric Hammer2 Chisel Bit This electric chisel hammer is lightweight and has a robust 1400Wmotor. It delivers powerful impact energy to complete demolition,chiseling, excavation, grooving, and cutting projects. The increased spring can reduce the vibration caused by thedemolition. You can finish the job without breaking a sweat. Thebig trigger button provides a more comfortable grip. You can realize continuously work with these convenient designs. Itcan release your hands and reduce the pressure of holding andcontrolling the chipping hammer. Capable of breaking concrete or rock floor slabs and for homedecoration and minor projects. Jack hammer shovel provides 2900 shocks per minute and breaks downthe wall efficiently. Capable of removing porcelain drill. A big trigger and rotaryhandle make the slotting more flexible. Single Impact Energy: 19J,Rated Impact Frequency: 2900BPM,Noise:?103dB,Input Power: 1400W,Voltage: 110V,Model:JH-0840,Chuck Type:5/8" Hex Shank,Net Weight: 17.8 lbs/ 8.1 kg,Package Size: 20 x 5.1x 14 inch/ 510 x 130 x 355 mm