Conversation

Does anyone recognize this device and can tell me what it is? I noticed it because of the blue light. My next door neighbor has mounted it on a fence about 20cm away from the property line (in his back yard). It is about the size of a can of Pam cooking oil spray and is wired with just an Ethernet cable. One close up shot and one how it looks standing by some stairs in my yard. My concern is that it is or has some sort of microphone.