Carent QDC5010 Alternating Pressure Mattress System with Pump is recommended for the prevention of pressure sore stage 1, 2 and domiciliary therapies. There are 18 cells with an additional 1 backup cells, making it easy to replace. Easy to set up and install. | Uses Recommended for the prevention of pressure sore stage 1, 2 and domiciliary therapies. | Product Specification and Features: The 1 in 3 alternating cells helps regulate blood flow throughout the body The pump has hooks at the back which can be hang at the end of the bed and is also very quiet Cell and base material: Nylon + PVC Dimension : 200L x 90W x 11.5H cm Number of cells: 18 + 1 Free spare cell Pressure Ulcer Stage: I, II Mattress System: Overlay on existing mattress Weight Support: 100kg Electrical AV: 110/220V Pressure range: 50-120 mmHg - 30L x 13.5W x 11H cm It has a plastic casing Test Duration: 24 hours Prevent Stage 1 & 2 pressure sore Static & Alternating Settings with 11.5cm thickness Replace fuse as marked: T1A 250V Power Input: 220V 50Hz, 0.1A | Directions For Use Use as directed. | Safety Information: Read the label carefully before use Keep out of reach of the children Store in a cool dry place Do not smoke on or near the pump Keep the pump away from heated surfaces Caution: Explosion risk if used in the presence of Flammable anesthetics