Features: This car seat heater can provide warmth and comfort to you in cold winter. Each set includes two heater pads, one on back and one on the bottom. Continuous temperature monitoring prevents overheating, safe and reliable. Carbon fiber material, not easy to corrode, weaken or break. It can be apply to most cloth, leather or vinyl covered. With adhesive tape for holding in place while reinstalling the seat cover. Easy to install, universal fit for most car, SUV, truck, etc. Specifications: Material: Carbon Fiber Color: White Item Quantity: 2*Heater Pads + 1*Switch, 4*Heater Pads + 2*Switch (optional) Thermostat: 65 +10/-5 Power Rating: DC 12V, 27 3W Round Switch: High/Low temperature settings Size(L x W):45 x 28cm/17.7 x 11in Wire Length:2.7m/106in Package Weight: 265-496g Fitment: Universal Package Included: 1 Set = 2 Heater Pads + 1 Round Switch 2 Set(optional) = 4 Heater Pads + 2 Round Switch Notes: 1. Universal fit for most cars, please verify your seat covers are removable before purchase. 2. Please DO NOT use on seats where the covers are fused to the foam. 3. Easy to install, but professional installation is highly recommended