It can easily work in even at -4 to 140F. Supports 48 hours of high-brightness lighting. It has passed various safety tests, including UL, FCC, CE, etc. Portable Jump Starter with Air Compressor & Tire Inflator: Features 4 inflation modes (Cars, Motorcycles, Bicycles, Basketballs) and 4 different nozzles, catering to multiple inflation needs.