This is a portable, manual tire pump (air pump). ● Compatible Strollers It is compatible with tires that have a "Schrader valve" (American valve). Among the products currently handled by our company, it is compatible with the following models: ・phil&teds: sport ・mountain buggy: swift, urban jungle, duet, plus one, unirider ● Features ・Compact, making it convenient to carry. ・Manual pump prevents over-inflation. ・Simple structure and easy to use. ・Easy-to-use long hose designed for strollers. ・Pressure gauge allows you to check the correct pressure. Inline gauge max. 150psi ・Reversible valve allows for use with stroller tires, preventing over-inflation (max. 20 psi) Aluminum compact pump with a pressure gauge that supports up to 20 PSI. I purchased this 3 years ago and used it with a Mountain Buggy Swift. Thank you for looking.