About TPMS: Features: TPMS for Android Car Player / Android GPS Navigation. The TPMS receiver can be connected to Android car DVD via USB port. Tire preure and temperature data displaying on Android Car DVD screen. Sound Alarm via car speakers and screen alarm when abnormality occurs. Prevent tire burst, extend the tire's life and save fuel. Sensor wakes up automatically when tire starts running. Quickly update tire preure and temperature data to Android TPMS App. Automatically sleep to save energy after parking. 6 Protections for Safe Driving: High Preure Alarm Low Preure Alarm Air Leakage Alarm High Temperature Alarm Battery Low Power Alarm Sensors Disconnection Alarm Specification: Internal Sensor: Working Temperature: -40-125 Working Frequency : 433.92MHZ Battery Model:CR2050 300mAh Battery Life:2-4 Years Tire monitoring range value:0 bar-8 bar /0-116psi Working Voltage:DC 5V WaterproofIP67 Chip:Senasic External Sensor: Working Temperature: -20-60 Working Frequency :433.92MHZ Battery Model:CR1632 180mA Battery Life: 1-2 Years Tire monitoring range value:0 bar-8bar /0-116psi Working Voltage:DC 5V WaterproofIP67 Chip:Senasic Package Included: 1 SetxTire Preure Monitoring System About Portable Tire Tester: Features: 100% Brand new and high qualityLCD screen display with backlit for easy readingSmall portable design, easy to hold and operatePreure units available: PSI, BAR, KPA, KGF/CM2Accurate and quick measuring, reliable to useManual power on/off and auto power off for power savingLED light at gauge nozzle, convenient to use even at nightThis Mini Tire Preure Gauge with easy-to-read LCD screen, is used to monitor your tyre preure, thereby extending tire life, increasing fuel efficiency and ensuring your safety.It is suitable for measuring tire air preure of cars, motorcycles,etc. Specifications: Test range: 0-150PSIAccuracy: 1PSIResolution: 0.5PSIUnits:PSI, BAR, KPA, KGF/CM2Power supply: 1*3V CR2032 button battery (Included)Product size: As the pictureMaterial: ABS Package included: 1* Tyre Preure Tester