Installation Notes1.Plug directly into the USB interface according to the video2.Install sensors individually on car tires3.You can see the screen will show the tire preure of 4 tires USB Android TPMS Tire Preure Monitoring System Main Features Advantage - Spare tire support - Support Summer/Winter tire switching - Wide Range Preure Alarm Setting, suit for 0~8 bar tires TPMS for Android Car DVD/Android 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 an abnormality occurs - Prevent tire burst, extend the tire's life and save fuel - Sensor wakes up automatically when the 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 11 Languages Support - China UKGermanyJapanKoreaItalyTaiwan, Simplified/Traditional Chinese. Attention : This TPMS receiver only works on the Android system Car DVD - The product comes with APK installation package, no need to download any software before purchase, plug in the interface can be used. - Our TPMS device does not have WIFI and Bluetooth. It only can be connected to your car android system via USB port. - Our TPMS device needs to occupy one separate USB port to transfer data, can not work with other USB devices at the same time. Product Description High voltage alarm value :> 3.1BA Low voltage alarm value : High temperature alarm value :75 Default preure unit :Bar Air preure setting range: 0.1-6.0 BA Temperature setting range: 60-110 Operating temperature: -20-80 Storage temperature: -30-85 Power on voltage: DC 5V Frequency: 433.92 MHz + / - 1.00 MHz Size: 80 * 73 * 15 mm Benefit of TPMS 1.TPMS ensures proper tire preure, which is neceary to ensure vehicle safety, handling, comfortable driving, and tire life. 2. Accurate tire preure can reduce fuel consumption/CO2 emiions 3. Extend tire life by up to 30% Attention - For the anti-theft nuts, please pay attention for the 2 steps, 1. Tighten the Sensor first on the valve, if not Tighten, the anti-theft nuts can not protect your sensors. 2. Tighten the nuts by the wrench, then check it by your hands for the lock performance.