•Bluetooth-compatible 5.0 brings stable and fast connection without delay •Support APP monitoring on iOS/Android phones, also suitable for iPad •Real-time monitoring •Support tire pressure leak alarm •Support high tire pressure alarm •Support low tire pressure alarm •Support high temperature and high-pressure alarm •Provide accurate detection data Specification: •Main control chip: DA14531 •Bluetooth-compatible version: Bluetooth-compatible 5.0 •Working voltage: 3V •Response time: ≤5s •Display method: APP •Waterproof grade: IP67 •MAX tire pressure detection range: 100-1300kPa •Tire pressure detection accuracy: ±10kPa •Tire temperature detection accuracy: ±3°C •Working temperature: -30℃~70℃ •Storage temperature: -30℃~+70℃ •Battery capacity: 140mAh for each one •Battery life: 3~5 years •Product size: 21*19mm Package included: •4 x Car Tire Pressure Monitoring Sensor •4 x Nut •1 x Wrench •1 x English and Chinese User Manual