This is a brand new air pressure tire gauge which could be used for bicycles, motorcycles, and cars. Two pressure scales for different needs.               Right Tire Pressure can: - Improves Fuel Economy - Increases Tire Life - Less Loss of Tire Pressure - Helps Prevent Uneven Tire Wear - Reduces Wheel Corrosion  - Tires Run Cooler & Safe Right air pressure will save your money, and tires with right pressure will make a safe and comfortable ride.            A Brand New Gauge will be shipped in original factory packaging.                     Twin-Valve for Presta and Schrader.          Dual Face for 300 psi / 100 psi          Holds pressure reading until released          Easy-to-read Dial(1.5" Diameter)                   No Battery Needed.               Brand: Giyo   Adapter: Presta / Schrader   Approx Dimensions: Length : 4.7" Dail Diameter : 1.5" & 1"   Capacity: 300 PSI &  100 PSI   Weight: 120 g