Looks like a PIR Motion SENSOR (This is a NON functional PIR SENSOR). This unit is 802.3af POE. This unit can also be used with a 12VDC 1A power source as well. APP: Camhipro, 3.7mm Lens, 2-way Audio, 2.4G+5G WIFI, SD Card Slot up to 128GB, 940NM IR LEDs.
eBay