E-1 Stationary Heating Unit with 2 Standard & 2 Cervical HotPacs. * Specification Description Mains Power: 110~120 V 50/60 Hz Power Consumption: 1000W Product Weight: 15 lb (7 kg) Shipping Weight: 21 lb (8 kg) Dimensions: 13 L x 8 W x 16 H (33 cm x 20 cm x 41 cm) Electrical Safety Class: Class 1 Type B Safety Tests: Conforms to UL 60601-1 certified to Can/CSA C222 No. 601.1 Tank Capacity*: 3 gal (11 L) Temperature Range: 160ø - 165øF (71ø - 74øC) Thermal Cut-Out Temperature: 180ø - 185øF (82ø - 85øC) Temperature Accuracy: +/- 10% Heat Up Time to 160øF (71øC): 2 Hrs Cool Down Time from 160øF (71øC): 1 Hr Fiberglass Insulation: No