1) Cold steel plate wholly molded surface. 2) Integrated stamping frame and treated with electrostatic spraying, anti-aging and anti-rust 3) ABS bed head, 6 aluminum bars fence can go up and down. 4) 3pcs electro-motor, 1pc control box, 5) One set of handset 6) 5” universal castors (2pcs with brake, 2pcs without brake) 7) Max Loading: 280 Kg 8) Battery backup Dimensions: 1) Size:L2130×W980×H450/700mm 2) Angle of back section: 0 ~ 80° (±5°) 3) Angle of leg section: 0 ~ 40°(±5°) 4) Adjustable height: 450-720mm Accessories: 1) I.V.pole 2) Wheels 3) Aluminum alloy protective railing