... than precalibrated value Tire Pressure value can be resettable Battery Replace Model No.: special tire pressure valve cap which ... pressure is normal •Tire Pressure value can be resettable •Battery Replaceable•Universal for most vehicles: Cars,Trucks, OTR etc ... • Anti-theft Design • Stainless Steel, Waterproof , Air Tightness • Alkaline Button Cell: 1.5V. • blinking continuously 3 weeks. • 2 -3 years ...