Prime Members: AstroAI 150PSI Digital Tire Pressure Guage w/ Presta Valve Adaptor (Black) $4.20 + Free Shipping

Prime Members: AstroAI Digital Tire Pressure Gauge 0-150PSI, Accurate in 0.1 Increments, Backlit LCD and Presta Valve Adaptor Included, 4 Units of Measurement for Car Truck Bicycle (Various) $4.00 Apply code BTD5K94V at checkout. Free shipping w/ Prime or on orders $35+. Upgraded Power Supply: Instead of 3 coin cell batteries, this tire pressure gauge comes with 2 AAA batteries. These AAA batteries provide a longer service life and are easier to remove and replace.