Features: 1. Apply to any cloth leather or vinyl covered seat cushion. 2. Continuous temperature monitoring prevents overheating safe and reliable 3. Adhesive tape included for holding in place while reinstalling the seat cover 4. A comfortable necessary for driving in winter. 5. Widely used in automobiles trucks DIY appliances or switch modifications etc. Notice: 1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow minor deviation due to manual measurement. Specifications: Type: car heating cushion switch Material: Carbon Fiber Mounting hole diameter: 2cm Switch button diameter: 1.55cm Switch three gears: ON-OFF-ON high - off - lower three gear Work indicator: yellow light red light Cable length: about 40cm Rated load: 10A12VDC/10A250VAC/16A125VAC Insulation resistance: 100M (min.) 500VDC Medium strength: 2000 VAC/1 Minute Temperature range: -40~+85C Service life: 100000 times Qty: 4pcs Fitment: Universal fits most cars please verify your seat covers are removable before purchase. Professional installation is highly recommended! Please DO NOT use on seats where the covers are fuse to the foams. includes: 4 x car heating cushion switch "