Structure and CompositionThis product consists of the bed surface part (stretcher pad, leg plate, and optional knee flexion leg plate, back plate, telescopic frame, patient restraint device), the bed frame part (guardrail, IV pole, handle, light strip, bracket assembly, caster), the drive part (hydraulic module), the control part (control box, push-button control assembly, manual pressure relief device), and accessories (rechargeable lithium-ion battery pack, charging module, optional boarding aid components (safety hook, in-vehicle fixing module and fixing rod), optional storage net, optional storage pocket).