Features: 1) Finger trap guard for your safety 2) Deep pressed embossed short panels feature wood 3) Torsion balance system 4) Sealed tube at bottom to mitigates or relieves an adverse effect 5) The dual-layer heat-keeping panel is made of galvanized steel sheet, among which is evenly filled with hard polyurethane foam 6) Remote control, automatic or manual switch 7) Thickness for door panel is 40mm 8) Motor: 1/2HP, 0.25kW, 220V, 50Hz