With external sensors Main features: - Powerful TPMS: Monitors tire pressure and temperature condition in real time, which will transmit real-time data to the DVD of your car to remind the driver for the comfortableness of vehicle and driving safety. - Wide application: This system is widely suitable for vehicle with four tires and the maximum pressure of the tire is below 8 bar, such as a commercial car, jeep, off-road vehicle, minibus, and sedan car, etc. - Digital display: Includes a TPMS receiver, four external sensors, and a U disk. The real-time data of tires will be sent to the DVD through USB port, so you can know the status of your car easily and comfortably from the DVD. - 4 external sensors: Provides four sensors, which are suitable for using in any type of weather. Besides, they are in high sensitivity and good accuracy for measuring pressure and temperature. Specifications: External sensor: - Battery: built-in CR2025 button cell - Working voltage: 2.1 - 3.5V - Working temperature: minus 30 - plus 60 Deg.C - Temperature measurement range: minus 30 - plus 85 Deg.C - Pressure measurement range: 0 - 116 psi - Transmission frequency: 433.92MHz TPMS receiver: - Working voltage: DC 5V - Working current: less than 15mA - Working frequency: 433.92MHz - Working temperature: minus 40 - plus 85 Deg.C - USB cable length of the receiver: about 220mm - Please note that our USB TPMS receiver is only suitable for Android DVD system Specifications Dimensions and Weight Product weight 0.0760 kg Package weight 0.2270 kg Package Size(L x W x H) 18.00 x 12.00 x 4.50 cm / 7.09 x 4.72 x 1.77 inches Package Contents Package Contents 1 x TPMS Receiver, 4 x External Sensor, 1 x U Disk, 1 x Spanner, 4 x Nut, 4 x Rubber Ring, 2 x Sticker, 1 x English User Manual With internal sensors Note: - The car DVD is not included 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 Specification Specifications Type: Internal Dimensions and Weight Product weight: 0.2000 kg Package weight: 0.2960 kg Package Size(L x W x H): 22.00 x 15.50 x 4.50 cm / 8.66 x 6.1 x 1.77 inches Package Contents Package Contents: 1 x TPMS Receiver, 4 x Internal Sensor, 6 x Sticker, 1 x English User Manual, 1 x U-disk