Smart Direct 12v / 24v Car Seat Heater Installation Kits, Short Pile Cushion, Deluxe Model , Thermostat, Protector, Fuse Plug (Purple) Keep you warm and comfortable in 2-3 minutes when chilled Connection cigarette lighter socket, 12V 2 Heating levels, thermostat temperature control 30  to 55 (depends on ambient conditions) When the temperature is higher than 65 , automatic power-off, when the temperature is below 5 , resumption of work Adjustable high elastic rubber band with hook, suit seat of any size