1-Metal Shell with louder voice, High temperature design for desert .
2-Waterproof,anti dust, Seal design.
3-English Menu, Specialized for Mid-East market. 4-With Remote control for 500M.
5-Built in Timer ON/OFF.
6-Built in 60W loud speaker, and with external a 60W speaker, max to 160dB.
7-Built in 323 newer bird voices.
8-Support DC12V power supply and car power.
9-With portable outdoor bag.
10-Patent design ,No copy.