Intelligent heating with three levels of temperature adjustment, using intelligent heating sheet, fast heating and fast heating, wide range of power supply and temperature control, and the temperature can be adjusted by pressing the switch with your finger. Anti-, wear-resistant and stable, the -belt design increases the anti- performance, reduces the wear and tear of the product and fixes it more firmly. Composite fiber heating elements adopts -area instant heating material and intelligent temperature control design; it is thickened to keep warm and cold-resistant zero, double fabric + heating fiber locks the temperature without fear of cold. The leather surface is waterproof in all seasons, and the leather surface waterproof cushion can be heated in winter. Wiring : red to positive pole, black to negative pole, ACC line to electric door lock (connected to the reverse light does not light, only heat) Switch 1. Turn on/off the power supply: (turn on the power) when you press and hold the power switch, the switch itself will in red and the power is turned on; (turn off the power) when you press and hold the lit power switch, the switch goes out and the power is off 2. Temperature adjustment: After turning on the power, the quality inspection switch will flash alternately in red, blue and green. Press and hold for 3 seconds to turn on the switch. The switch will in red and flash for 5 minutes. The temperature in this state is set to the highest level, and it will automatically Change to mid-range (blue light), each time the switch is pressed, high-range (red) - mid-range (blue) - low-range (green) Color: Black Material: PVC+TPU+ sponge Package Contents: 1x Heated Seat Cushion Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.