TW500 Bluetooth V4.0 Wireless TPMS Tire Pressure Monitor External Sensor OBD Interface
for OBD bluetooth APP tire pressure monitor,could download APP on smart phone.when the tire pressure or temperature is too high or two low,the monitor will alarm via human voice.in Chinese or English.the temperature or tire pressure will be displayed on smartphone.You could set the state of tire pressure monitor system by yourself on phone. like tire match or changing tire position.

External Wireless Bluetooth TPMS with APP Display:
1.With 4 external sensor
2.Support Android and IOS system
3.Get power from the OBD socket
4.APP display 
5.Selectable temperature unit(Psi,BAR)
6.Display the tire pressure and Temperature of 4 tires simultineously
7.Configurable tire pressure and temprature alert setting

Note:Only Suitable for Bluetooth version 4.0 above

Package includes: 
1.1x Monitor
2.4x External Sensors
3.2x Wrench
4.1x Professional wrench
5.5x Hexagon nut 
6.1x English manual
7.Original box pack