Yes.
There is an official flagship store on Pinduoduo, which is authentic and quality guaranteed.
An electric hammer is an electric hammer drill with a safety clutch and a pneumatic hammering mechanism. The electric hammer uses the principle of piston movement. The compressed gas impacts the drill bit. It doesn't require much manual effort. It can drill holes from 6 to 100 mm in hard materials such as concrete, bricks and stones. drill holes in materials above higher, but it cannot drill holes in metal.