Need a clear night solution for outdoor day & night monitoring? AVM552B might be the one you need. AVM552B is 2 megapixel vari focal IP camera with WDR support and built-in IR LEDs. Its IR projection distance could reach up to 35 meters for dark area monitoring, suitable for places like factories or warehouses. It’s also capable of connecting external alarm devices, such as a buzzer or magnetic contacts, for function salability. What’s more, POE (power-over-Ethernet) is also possible for this camera. For data storage, in addition to use with AVTECH NVRs, this camera also supports Micro SD card and ONVIF standard to use with other brand’s NVR and simplify system integration.   This camera supports all kinds of N.O. / N.C. type alarm sensors; for example, active infrared sensor, smoke detector, magnetic contacts and so forth to extend the flexibility of IP surveillance