CODASH Smart TPMS Car Tire Preure Alarm Monitor System 4 Sensors Display Solar Intelligent Tyre Preure Temperature Warning feature:1, Can be placed on the dashboard or pasted on the windshield2. The display screen can be adjusted from multiple angles, with multiple display modes3. Accurately monitor the stability of tire preure throughout the proce,4, high volume alarm sound warning,Host Specifications:Working voltage: 3.7-5VStorage temperature: -30C~90COperating temperature: -30C~85CTransmiion frequency: 433.92MHz50KHzReceive sensitivity: -90dbmDisplay mode: LCD color screenWorking current: 6mACharging method: solar/USB chargingSensor Specifications:Working voltage: 2.1-3.6VStorage temperature: -30C~90COperating temperature: -30C~85CTemperature Resolution: 2CPreure range: 0-4.3BarPreure resolution: 0.1BarWaterproof grade: IP67Transmit power: