Features: Adjustable view angle and screen brightness Real time monitor the pressure and temperature of the tires. Intelligent sleeping mode for power saving. Visual and sound warning Air leakage warning, low pressure warning, high pressure warning High temperature warning, low power warning and no signal warning Can be installed on windshield glass or dashboard. Visual and audible warning for abnormal tire pressure and temperature. 4tires pressure and temperature data at a glance. Fixed Bar or Psi pressure 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