Main Features:

1. Wide verizon LCD
2. Protection to over voltage, over current, overloading and thunderstrike
3. Screen flip function
4. Shortcut to switch group/user and talking history
5. Loud audio and audio control lock function
6. Multimedia Speaker
7. Wide range of input voltage options: 12-28V
8. Can be a 5V 1A quick charger for mobile phone
9. exteral speaker is available with Tesunho's standard
10. 8-pin secondary development jack available 
11. Maximum bracket rotate degree: 270 degree

Application:

Unique for: taxi/bus, transporting company and logistics
Popular for: security guard, railway, army, government, rescue, police and traveling

To see more product, please go to the link below: 
http://www.tesunhowalkietalkie.com