Dear Manager,

Are you looking for Bluetooth iBeacon SOS Panic Button & Driver ID Key Fob for 4G GPS Tracker/Mobile DVR?

* Wireless Quick Install via Bluetooth with more than 2 years lifetime
* I/O High 5V & I/O Low output trigger
* RS232/RS485 Driver ID Key Fob output
* Support Teltonika,Calamp,Jimi, Streamax, Howen & most Fleet Management devices.

Contact me today and let's talk details!

Best Regards,
Tenet Auto Electronics Ltd. 
Whatsapp: +8617322329061