ThermoActive Knee Support Wheelchairs Reclining 2 lb (battery and adapter Wrist and Hand 2 lb (battery and adapter are included) * Battery:Rechargeable Ni MH battery * Electrical:AC 100 240V 50 60 Hz universal adapter * Cushion Arrangement:Contour foam base & one piece air cell pad (4 air cells) * Cells Material:Nylon PU * Coverlet Material:Stretched Polyester PU * Cushion Dimension(L x W x H):43 x 43 x 10 cm 17 x 17 x 4 5v Coaxial Ophthalmoscope Head with Halogen Lamp (Model 11720) 3 and a unique hand held pump that adjusts the level of compression * Fits circumference up to 20 below the knee as is or up to 30 with extender straps that are included * Fits circumference up to 21 above the knee as is or up to 31 with extender straps that are included * Indications: Ligament injuries and strains (ACL PCL MCL) meniscus strain or injury patella tendonitis chondromalacia bursitis arthritis Post Surgery Treatment a patented removable gel pack that can either be frozen or heated depending on the use