With detachable gauge and light. Operates from 12V vehicle cigarette lighter socket. Inflates tyre from flat in 6 ½ minutes based on a 14in tyre from 0-30 psi. Automatically shuts off when preset pressure is reached. Detachable digital pressure gauge with back light can serve as an individual tyre gauge. Detachable LED light. Storage compartment for air hose and wire. Complete with nozzle adaptor and sport needle. Inflation time will vary depending on size of tyre, climate, altitude, temperature and voltage level of vehicle/internal battery.