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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

8. Can be a 5V 1A quick charger for mobile phone

9. 8-pin secondary development jack available to other APPs like oil 
   consumption 

10. 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