Model:CL-E111 Specification: Side rail and bed base: Made of quality PP engineering plastic The whole bed is made of quality PP engineering plastic Motor: two Linak Motors Bottom platform is made of PP engineering plastic material Center-controlled brake system, with four 20cm castors With SUS304 Stainless steel I.V. pole Backrest can be rise and down by gas spring Equipped with fifth rise and fall guide wheel Function: 1. Backrest max upward angle: 75* (Controlled manually) 2. Height adjustment: 630-930mm (Controlled by Linak) 3. Trendelenburg: 15* (Controlled by Linak) 4. Anti-trendelenburg: 15* (Controlled by Linak)