Sliding gate operator,Aluminum alloy body case,220VAC 50HZ, 370w can bear 800kg gate weight,bear 15m gate width, motor 14kg garage Sliding door opener, mechanical door opener, commercial door opener , remote ... 's safty.body aluminium , 220v 230v, 50hz, bearing 800kg weight gate, AC or DC motor . motor weight 14kg. sliding door opener