Features: Adjustable view angle and screen brightne Real time monitor the preure and temperature of the tires. Intelligent sleeping mode for power saving. Visual and sound warning Air leakage warning, low preure warning, high preure warning High temperature warning, low power warning and no signal warning Can be installed on windshield gla or dashboard. Visual and audible warning for abnormal tire preure and temperature. 4tires preure and temperature data at a glance. Fixed Bar or Psi preure unit for selection. Fixed temperature unit for selection. Specifications: Material: ABS+PC Color: Black Type: External Working Frequency: 433.9200MHz0.1MHz Working Voltage: sensor: 2.0-3.6V; display: 5V Working Current: sensor 1uA; display 0uA Package Included: 1 x Monitor 1 x Installation tool 4 x Lock Nut 4 x External sensor