This is an an analogue dial-display type portable tyre inflator (as shown) I've had for some time & hardly used, that works as far as I know but I can make no guarantees for, which you are welcome to! Typical instructions for it can be found here: https://www.docdroid.net/QHTlDh1/how-to-use-a-portable-tyre-inflator-pdf
Fair Offer Policy applies
300PSI Portable Tyre Inflator (Catshill B61)
This offer has been gifted to someone and is no longer available.