USB Android Car Tire Pressure Monitoring System Wirelessfor Android NavigationTransmission TPMS Why You Need? A tire pressure monitor is definitely necessary for a car driver. It potentially prevents accidents and protects the tires. It also can save more fuel. With it, your car will work in the best condition. Main Features: -TPMS for Android navigation: the receiver can connect to the car DVD/multimedia player/GPS navigation, install the app (included in the U-disk), and check the tire data on the screen, very convenient to use -Quick air leakage alarm: real-time tire pressure and temperature monitoring, with 4 tire data displaying on your DVD screen, prevent tire burst, extend the tire"'"s life and save fuel -Abnormal alarm: after connecting to the car DVD, it will send you the sound prompt when abnormal occasions occur, such as high and low tire pressure alarm, high temperature alarm, etc. -Accurate and durable: with advanced and professional technology, ensure the stable signal and accurate data Specifications: Receiver - Working voltage: DC 5V - Working current: less than 15mA - Working frequency: 433MHz - Working temperature: -40 - 85 Deg.C - Connector: USB Internal sensor - Working voltage: 2.1 - 3.5V - Working frequency: 433MHz - Pressure measuring range: 0 - 116 psi (0 - 8 bar) - Temperature measuring range: -40 - 125 Deg.C - Working temperature: -40 - 125 Deg.C - Battery: built-in CR2050 (3V, 330mAh) button cell Note: - The car DVD is not included - TPMS for Android navigation : the receiver can connect to the car DVD/multimedia player/GPS navigation, install the app (included in the U-disk), and check the tire data on the screen, very convenient to use Internal with usb External Intelligent Solar TPMS Car Tire Pressure When you receive the package and turn onthe receiver, the receiver displays --"or 00, please don"'"t worry. You only need to mount the sensor on the tire, wait for about 1 minute, and you will see the display shows the pressure and temperature of the tire. -Solar power charging, don"'"t need to charge by connecting car cigarette lighter -Colorful LCD Digital displaying, clear to show tire information -Rear-time monitoring pressure & temperature of 4 tires -Low air pressure/high temperature alarm -High Temperature / Leakage / Low Battery Alarm -Intelligent Shock Boot when car moving, don"'"t need to turn on/off -Wireless connect by sensors, easy install -Build-in sensors and external sensors options, meets all your need -Freescale chip sensors and fit on almost 98% cars on market - Two units (PSI / Bar) changeable, you can set the one you like.