Tire sealant seeks out and repairs punctures up to 1/4" (6mm), Non-toxic, non-corrosive, environmentally-friendly and safe for tires and rims, Tire sensor safe, Plugs into a standard 12-volt accessory outlet, Durable, compact hardshell case with air hose and power cord management, Effective under the most extreme temperatures: Low freezing point of 5 Deg. F (-15 Deg. C) and a high separation point of 122 Deg. F (50 Deg. C), Replacement refill bottles easily install into the kit easily for future flat tire emergencies