2 Crank hospital bed ykb003-12 has back and knee rest lifting function, up to 80° angle back rest lifting, up to 40° angle knee rest lifting, chipping and scratching resistant, head and foot board of ABS plastic, 2 sets lever system, 1 pcs luxurious mattress, 4 pcs luxurious castors, 1 pair aluminum alloy side rails, 1 pcs I.V. pole, 6 points I.V. drip holes.