Specifications: Small power consumption, high heat conversion efficiency. Enjoy the warmth in the cold winter, instant heating. Used to raise the temperature inside the car, warm hands and feet, defrost, defogging. Small size, large heat, fast heating, low noise. Wiring Method: The red wire is connected to the positive pole, and the black wire is connected to the negative pole(forbidden reverse connection). Type: Car Heater Material: ABS Drive Mode: Freestanding Performance: Single Function Type Control Mode: Automatic Adjustment Current: 10A Voltage: 12V/24V (Optional) Power: 300W Outlet Temperature: 80 Degrees Noise: Low Speed: Medium Car Air Conditioning Type: Heating Size: 8cm x 8cm x 10cm/3.15" x 3.15" x 3.94" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Car Heater 1 Set of Accessories