Cordless hand warmer powered by M12 RedLithium battery technology. Ideal for any harsh, cold conditions application. Uses carbon fiber heating elements to create and distribute heat to the front and back of the insulated hand pouch. Wind and water resistant, featuring high/medium/low settings. Protects hands from the elements with the right level of heat for any conditions. Built with Toughshell stretch polyester outer layer, high quality rib knit cuffs, and high-loft insulation with a fleece interior lining to maximize comfort. 1 size adjustable waist strap fits most. Also features 1 outer zip pocket and 1 outer magnet pocket for quick storage of electronic devices and personal items. Hand warmer is washer and dryer safe. Kit includes: M12 hand warmer, M12 RedLithium 2.0 compact battery, M12 battery holder with 2.1A output, and M12 LED (light emitting diode) work light.