... battery, AC and DC. 4, support for SD card storage picture, to facilitate the preservation of evidence. 5 ... wireless anti-theft detectors, infrared radio fence, smoke, gas, flu, emergency buttons. 8, the host has 2 ... prying and other action sound. 17, the user using the telephone or cell phone into the host, through ... , disarm and so on. 18, the user using the telephone or cell phone into the host, ...