"Bring comfort and warmth wherever you go with the Chaheati 7V Rechargeable Battery Heated Seat Cushion. The lightweight and portable construction features 2.5"" of comfortable cushioning, a powerful built-in heating element, and adjustable carry strap for easy transport. Use this weather-resistant heated cushion at the game, inside a sleeping bag on a frosty night, or anywhere you want to keep the chill away. Just connect the fully charged 7V battery, select from 3 heat settings, and enjoy the heat for hours. Chaheati heated seat cushion features intuitive touch-button temperature control with ghost mode to turn off LED lights while maintaining current setting. Enjoy up to 7.5 hours of continuous warmth on a single charge. Battery tucks away into waterproof zippered pocket. Heated cushion measures 15.5""L x 14.25""W x 2.5""D and includes rechargeable battery and charger. 100% polyester shell with foam cushion and composite fiber heating element. Settings: Red/High (150F for 2.5 hrs.), White/Medium (140F for 4.5 hrs.), Blue/Low (120F for 7.5 hrs.). Manufacturer's 90-day warranty.Manufacturer model #: CHA-SC-7V. Lightweight and portable 2.5"" foam cushioning Powerful built-in heating element Adjustable carry strap Weather-resistant construction 3 heat settings Intuitive touch-button temperature control Up to 7.5 hours of warmth on a single charge"