Designed for North American style 2 post car lift, Motor push button is for lift power up, and manual lowering valve is for lift gravity down. The motor is CSA/US listed motor Canada & USA market. The power unit can be mounted either horizontally or vertically. A push button on the motor starts the unit to raise the vehicle on the lift. To lower, a manually operated cartridge-style release valve is used for finger-tip control of lowering speed.