Motor head, 2pcs RC07 transmitter (4 channels), release cord, mounting hardware, manual Length 3150mm (max. door height 2300mm), 2mm thickness steel, pre-assembled, belt, strong and easy to extend, weight 7.3kg

Motor head, 2pcs RC07 transmitter (4 channels), release cord, mounting hardware, manual Length 3800mm (max. door height 3000mm), 2mm thickness steel, pre-assembled, belt, strong and easy to extend, weight 8.0kg