Safety Spare Plus is a complete roadside emergency kit. It includes all the essentials for anything nature can throw at your vehicle. With this kit you can repair a flat tire, jump a dead battery, check tire pressure, inflate a low tire, bandage a cut and much more. Fix a flat in a mere 7 minutes or less and get back on the road - no jacking required. Advanced Sealant Technology seeks out and seals punctures up to 1/4" without voiding your tire warranty or damaging the tire pressure sensor, while the built-in, high-powered 12-volt reusable compressor automatically inflates your tire to the correct pressure. Includes 28-piece first aid kit, jumper cables, safety triangle, utility knife and tire pressure gauge.