With a wireless remote control, the Qihe 4 Roller Motorized Background Lifter Using a wired or wireless remote control (included), the motorized background lifter is made to raise and lower backgrounds. It takes no seconds to change the background. The elevator is made up of four shafts that are 3.15 meters long, a mate lift, and a drive section with electric motors and a wired remote control. Steel is used to make the drive and mate housings. There are mounting holes in both cases. The lift can be mounted on either the wall or the ceiling. Shaft seats have screw clamps and bearings installed. The lift's tubes are wound with backgrounds up to 3.15 meters wide. AC power powers the elevator. About 270 cm is the length of the power cable. On the