Main Features:

1. Wide verizon LCD
2. Protection to following situations:

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 to ensure audio quality 

7.Wide range of input voltage options: 12-28V

Application:

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

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