Valve adapter: This inflatable boat air pressure gauge can also be used as a valve adapter due to its special connection structure Easy to use: this air pressure gauge air for inflatable boat is made of nylon, it is easy to install and use; It is recommended to ask a professional to install Measurement range: The measurement range of this inflatable boat barometer is 0-0.35 BAR or 0-5.08 PSI Wide applications: This inflatable boat barometer is suitable for inflatable boat, rubber boat, plate with certain valves Features: 1.This inflatable boat pressure gauge can also be used as a valve adapter. 2.The total length of this inflatable boat barometer is 95mm/3.7inch. 3.This inflatable boat air pressure gauge is made of nylon. 4.The measurement range of this inflatable boat barometer is 0-0.35 BAR or 0-5.08 PSI. 5.This inflatable boat barometer is suitable for inflatable boats, rubber boats, plates with some valves. Specifications: Condition:&nbsp ; brand new and high quality Material: nylon The color is black Measuring range: 0-5.08PSI or 0-0.35BAR Packing List: 1 x Kayak Barometer Size: Diameter : 3.8 cm Cylinder diameter: 1.96cm