Ignik Backside Heated Seat Pad - The next generation of active outdoor heating. Portable, controllable heat that warms up any seat. Features Add 20W of heat to your camp chair, tailgating rig or stadium seat. Handheld control to customize the level of heat, with heat level memory and auto shut-off after 90 minutes to conserve power. 100% Recycled Polyester outer shell is durable yet soft, designed specifically for outdoor adventure. Dense foam pad for comfortable seating on rough, wet, and uneven surfaces. Internal temperature sensors across the array for added control and safety. Compatible with USB-C Power Delivery (PD) power banks, and other 12V power supplies. (Battery not included)