1080p HD 4in1 AHD TVI CVI, ANALOG Indoor, 3.7mm Fixed Iris Pinhole Wide Angle Lens Hidden Security Camera This Covert pinhole camera with mini cone lens can be completely hidden / concealed inside of any object. Some customers hide these cameras inside of walls, clocks, and toys. The only part of this security camera that needs to be exposed is the very end of the cone shaped pinhole lens. Compatible with all; 1080p / 4k / 5MP / 3MP / 2MP AHD, TVI, CVI and Traditional Analog Security Digital Video Recorders. NOT Compatible with 720p and HD-SDI Security DVRs. Indoor use only One Year Warranty