Hybrid Elite Cushion Dual Valve 17ù w x 17ù d Scooters Parts unit * AA rechargeable batteries E1 3 unit * AA rechargeable batteries and AC power with charger stand sold separately * Memory for 72 hours of data storage * 3 Year Manufacturer's Warranty * Efficient 60 hrs of battery life * 5V PocketScope handle has a smooth rheostat to control light intensity and features a handy pocket clip * * Combines the suberb skin protection and shape matching ability of ROHO DRY FLOATATION© with the stability of Jay© base technology * This new cushion design allows for improved position and function while maintaining optimal immersion and envelopment of both the ischial tuberosities and greater trochanters * Cushion insert matches the individual s shape by adjusting the amount of air * Air cushion insert is easily cleaned with soap and water Cover with encased comfort foam is machine washable