Dear Manager,
Are you interested in Wireless BLE All-in-One Ultrasonic Fuel Level Sensor for Fleet Fuel Monitoring/Telematics?

Compatible with Teltonika, Xirgo, Queclink, Calamp, DigitalMatter, GeoTab, Meitrack, Jimi, Streamax, Howen and most M2M hardware.
1. No Drawing Holes on Tank, easy installation
2. Output Interface: BLE Bluetooth 5.0 +RS232(Default)/RS485+Analog(0~5V)
3. Mobile App configuration &Calibration
4. Built-in AI Algorithm to filter abnormal signal
5. Support Fuel Theflt Alarm I/O output (5V)
6. Support Diesel/Gasoline/Lube Oil, etc.

Contact me today and let's talk for more.

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