Feature 1Air pressure gauge. Suitable for inflatable boat, rubber boat, SUP board with the certain valve. 2It also can work as a valve adaptor, for it is special connection structure. 3It also can work as a valve adaptor, for it is special connection structure. 4Easy installation and operation. 5Measurement Range is 0-0.35 bar or 0-5.08 PSISpecification Features: Air pressure gauge. Suitable for inflatable boat, rubber boat, SUP board with the certain valve. It also can work as a valve adapter, for it is special connection structure. This air pressure meter can be used on soft bottom inflatable boats or river rafts. Easy installation and operation. Measurement Range is 0-0.35 BAR or 0-5.08 PSI. Specifications: Condition: 100% Brand New and High Quality Material: Nylon Color: Black Total Length: Approx. 95mm/3.7'' Barometer Diameter: Approx. 55mm/2.1'' Tube Upper Width: Approx. 20mm/0.78'' Tube Lower Width: Approx. 16mm/0.6'' Measurement Range: 0-5.08PSI or 0-0.35BAR Compatible Valve: 6-hole, 8-hole Valve Weight: Approx. 70g Packing List: 1 x Kayak Barometer .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }