ANTARCTICA GEAR PRO Heated Sleeping Bag Liner, 5 Heated Zones with 16000mAh 12V Battery Heated Pad, Electirc Sleeping Bag Heater for Cold Weather Camping Backpacking or Hiking（Blue）

Camping Heaters for Tents: 198X61CM (6.5X2FT) fits with most adult sleeping bag, a great heating supplement for your existing sleeping bag from fall/winter to spring camp, keeping your camping trip warm and comfortable. Heated on Demand: Just connect the battery pack, turn the sleeping bag liner on, and then adjust the temperature(high, medium, low) with a press of the button. It heated up quickly in 5 seconds, with noticeable warmth on the shoulder, back, hip, and feet areas for core-body warmth. It can last around 8 hours on low or 3.5 hours on high. 5 Areas Heating: 5 carbon fiber heating elements are located on the heated sleeping bag pad and are highly effective in giving you the heat you need straight to the core.; 3 adjustable heating levels(green meaning low 113℉, blue meaning medium 122℉, and red meaning high 131℉), change the heat setting of your sleeping bag heater with a simple press of a button. 16000mAh Battery Included: Smart 12V 2A 16000mAh power bank, heated the camping sleeping bag liner fastly. All the heated sleeping pad and the battery built with multiple circuit protection automatic low-charging system, Effectively preventing battery(over-charging, short-circuit, high-temperature, and surge protection), and high-quality, fire-resistant construction, safety to use. Idea for Any Adventure: Each heated sleeping bag liner comes with a compact bag for easy storage and portability. It also can be used separately from a sleeping bag, that suitable for various occasions, such as camping, traveling, fishing, home, and car.