Features:1. Real-time monitor: It can provide the pressure and temperature statuses of 4 tires in real time. When the dataare abnormal, the driver will get the voice alarm and flashing warning icon.2. Intelligent sleep mode to saves energy. 4 sensors are with high sensitivity and good accuracy for measuringpressure and temperature, no misleading readings.3. Solar panel with high conversion rate and USB charging port, supporting solar charging and USB cable charging, no need to worry about the power shortage.4. Tire leak warning. Visual and auditory warning of tyre pressure and temperature anomalies.5. Plug and play, LCD screen displays tire pressure and temperature simultaneously.6. Fixed rod or Psi pressure element is optional. Fixed temperature units are optional. Specification:Condition:100% Brand NewMaterial: ABSColor: As Pictures ShownType: numberVoltage: 12VModel: C-260Product name: Tire Pressure Monitoring System(TPMS)Working frequency: 433.9200MHzWorking voltage: 3.7VWorking current (static current) : 50uAOperating current (dynamic) : 15mAOperating temperature:-20 ~ + 85Pressure testing range:0~99 psi, 0~3.5 barCharging: solar or USB chargingBattery life: three years for external sensors Package list:Display Monitoring System Screen *1Sensor * 4Nut * 4Wrench * 1Manual * 1