Features:SensorsMatch with 4 valve-cap sensors.Replaceable sensor battery (CR1632).Sensor pressure range: 0~3.5Bar / 0~50PSI.Pre-programmed sensors, no pairing is needed.DisplayGlossy glass display can be charged by solar energy or Micro USB charging slot.Large display battery capacity for a month use.Monitoring DataFour tires pressure data at a glance.Adjustable threshold value of tire pressure temperature.Low power consumption in sensor. Real-time tire temperature checking.Visual and audible warning.Intelligent sleeping mode for power saving.High / Low pressure warning.High tire temperature warning over (80??/ 176?H??.Low sensor/ display battery warning.Fast / slow leakage warning.Sensor failure warning.