Sedens 500 Seat Cushion The sedens 500 is a light weight and battery powered dynamic seat cushion perfectly designed to be used in wheel chairs .Specifications Pump: Dimensions: 24 x 12.5 x 5.7 cm Weight of cushion is 0.96 kg Case material is Flame Retardant ABS Supply voltage of DC 12V, 1.25A by adaptor Operating Cycle of 10/15/20 mins Cushion:The mattress type is dynamic cushion Dimensions of the cushion 43 x 43 x 10cm The cell height is 6cm Weight of cushion is 1.11 kg Maximum weight capacity of 120 kg Features Audible alarm Battery powered Pressure Redistribution A pump carry bag with adjustable strap can fit all sizes of wheelchair Foam support Non-slip base Removable top and base covers for easy cleaning Visual and audible alarm enhances patient safe..