This Heated Seat Cushion provides up to 8 hours of warmth for all types of hunters and outdoor enthusiasts. Powered by internal heating elements, the cushion is portable, lightweight and water resistant. Offers high or low heat settings. Rechargeable lithium battery and AC charger included. Handy carry handle. Ideal for tree stand use. Dimensions: 15.25"W x 14"H x 2"D.