The Ring RAC610 12v Car Tyre Inflator is a portable air compressor pump with an analogue gauge, designed for inflating tyres to a maximum pressure of 100psi. It is powered by a 12-volt cigarette lighter and comes with adaptors for added convenience. The black-coloured device by Ring Automotive is perfect for checking and inflating vehicle tyres on the go, making it a valuable tool for any garage or workshop.