USB Android Car Tire Preure Monitoring System Wirelefor Android NavigationTransmiion TPMS 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 preure 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 preure alarm, high temperature alarm, etc. -Accurate and durable: with advanced and profeional technology, ensure the stable signal and accurate data Specifications: Receiver - Working voltage: DC 5V - Working current: le than 15mA - Working frequency: 433MHz - Working temperature: -40 - 85 Deg.C - Connector: USB Internal sensor - Working voltage: 2.1 - 3.5V - Working frequency: 433MHz - Preure 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 About internal tpms, there are 2 type , First one with usb with software , the second one without USB, software include in Main unit , connect and use with good quality We will send randomly all is same , dont worry ! Internal with usb Internal without usb External Solar TPMS Car Tire Preure Alarm Monitor System Display Temperature Warning Fuel Save with 4 Sensors Features: Real time Monitor tire preure can improve fuel efficiency, prolong tire life, increase traffic safety and monitor temperature. LCD displays tire preure andtemperature Visual and sound warning Air leakage warning, low preure warning, high preure warning High temperature warning, low power warning and no signal warning Solar power for normal use. Available USB charge for sunle day Specification: Type: Solar Wirele Car Tire Preure Alarm Monitor System TPMS Working Frequency: 433.92MHz 50KHz Sensor Working Preure: 0-60Psi 2 Psi Sensor Transmit Frequency: 433.92MHz Sensor IP: IP67 Working Voltage: Sensor: 2.1-3.6V; Receiver: DC 3.7-5V Receiver Working Temp.: -2 ~ 75 C / 28~167 F Receiver Storage Temp.: -3~80 C / 26~176 F Sensor Working Temp.: -40~90 C / -40~194 F Sensor Storage Temp.: -40~100 C / -40-212 F Receiver Battery: Built-in 400mAh battery Receiver Charge Time: About 1h by DC 5V 1A Sensor Battery: Each sensor is powered by 1 x CR1632 lithium-ion battery (included) Certification: CE, FCC Sensor Size: 2.3 x 1.7cm / 0.8 x 0.7" (D x H) Display Size: 9.5 x 8 x 2.7cm / 3.7 x 3.1 x 1.1" (L x W x H) Net Weight: 0.14kg / 4.9oz