- Fast infrared warmth with a carbon fiber heating element provides steady heat without drying the air. The heater can be set to three levels: 50 C, 45 C, and 40 C for precise comfort. - Safe operation with adaptive timer and tilt protection. The unit automatically shuts off if tilted more than 45 degrees or turned upside down. Timers are 30 minutes, 60 minutes, 90 minutes, 2 hours, or 3 hours. The power cuts off automatically if there is no operation within 15 minutes after opening. - Quick, wide area warmth and versatile positioning. Adjust the opening angle to spread heat over a larger area. Leg warmers under the desk keep the knee area warm and comfortable, while feet stay heated with a foot-warmers feel. - Reliable, lightweight construction. The foldable heater panel uses a carbon fiber heating element and nonmetallic design for safety, light weight, quiet operation, and no odor. A back insulation layer minimizes heat loss for efficient warming. - Practical use scenarios. Ideal under a desk to warm legs during work, in a small office or dorm room for targeted comfort, and beside a chair or bed to warm feet and lower limbs without overheating the room.