Make sure you get the warmth and comfort for a relaxing night's sleep after a tiring day of trekking, hiking, travel, or any other activity in the wild using this ActionHeat 7V rechargeable heated sleeping bag pad. Lightweight and easily portable, this sleeping bag pad for men women is powered by a 7-Volt battery The 4 LED power indicators on the power bank display the battery status. Equipped with multiple heating panels which are operated with button-touch control technology, the portable camping heated sleeping pad can be heated to three different temperatures based on the temperature outside. The heat sleeping bag insert uses FAR infrared heating and ActionWave heat reflective technology to deliver continuous heating comfort for as long as 8 hours.