Features: TPMS for Android Car Player / Android GPS Navigation. Supports Operating System - Android 4.0 and above. The TPMS receiver connects to Android car DVD via USB port. Displays tire pressure and temperature data on Android Car DVD screen. Sound alarm through car speakers and visual alarm on screen when abnormality occurs. Helps prevent tire blowouts, extends tire life, and saves fuel. Sensor wakes up automatically when the vehicle is in motion. Quickly updates tire pressure and temperature data to Android TPMS app. Automatically enters sleep mode to save energy after parking. Six safety protections for safe driving: High Pressure Alarm Low Pressure Alarm Air Leakage Alarm High Temperature Alarm Battery Low Power Alarm Sensor Disconnection Alarm Specifications: Internal Sensor: Working Temperature: -40C to 125C Working Frequency: 433.92 MHz Battery Model: CR2050 300 mAh Battery Life: 2-4 years Tire Monitoring Range: 0 bar to 8 bar / 0-116 psi Working Voltage: DC 5V Waterproof Rating: IP67 Chip: Senasic External Sensor: Working Temperature: -20C to 60C Working Frequency: 433.92 MHz Battery Model: CR1632 180 mAh Battery Life: 1-2 years Tire Monitoring Range: 0 bar to 8 bar / 0-116 psi Working Voltage: DC 5V Waterproof Rating: IP67 Chip: Senasic Package Included: 1 Set Tire Pressure Monitoring System