Simply plugs into your vehicle cigarette lighter socket and operates by switch located on the back|Choose between fan or heater and feel instant comfort|The heater also has an LED light switch on the top of the product for use when visibility is restricted|Suitable for use in any vehicle including a cigarette lighter socket|Perfect as a heater/defroster in the colder months and a fan during the summer|Size 140 x 68 x 140mm