Import 24v dc motor running without noise, configure the uninterruptible power supply unit (ZE) head and rear bed boards,with self-locking device,available for CRP European-style folding fence, steel locking device, safe, reliable and easy to use 5 "central control castors, with a two-way side brake control device Bedstead range movements:500-720mm Backrest angle adjustment:≥75° Leg plate angle adjustment:≥45° Bearing capacity:235kg