... 30-megapixel linkage alarm recording system, compact, concealed installation, infrared night vision video clarity; host with any wireless, wired alarm ... , backup.7. The host settings are 40 infrared light, when the low light, the infrared light automatically open, the video clear picture quality.8 ... and back up li-ion battery, one magnetic door sensor, One pir detector,one wired mini siren,two remote ...