1) 3sets manual crank system 2) ABS bed head, 6 aluminum bars fence can go up and down. 3) 4pcs soft crashworthy bumpers 4) accessories):5” universal castors (2pcs with brake, 2pcs without brake) ,2pcs urine hooks, 6pcs IV drip holes 5) Integrated stamping frame and treated with electrostatic spraying, anti-aging and anti-rust 6) Max Loading: 280 Kg 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: 450-700mm Accessories: 1) I.V.pole 2) Wheels 3) Aluminum alloy protective railing