wireless security system

Remote Security Surveillance for Electric Power Tower using Solar Energy and 3G network The system has the following features: Video trace, the camera automatically track moving objects;Motion sensor, it detects any person who is in detection area;Alarm, it will alarm when it is emergency;Speaker, monitor center can speak to tower site any time;Bi-direction voice communication, any people can talk with monitor center at tower site any time;3G network, all information transmission between tower site and monitor center via 3G network; Solar energy supply, it sustains whole system at least 7days when it is cloudy and raining.