Anti Theft: Door eye hole camera, can be installed in the security door peephole, can be anti theft, guard from the human damage to the lock or post small ads, etc. Wide Angle Lens: This multi function door camera adopts a wide angle fisheye 1.6mm lens, the angle is about 170 degrees, the doorway range is viewed unobstructed. Support APP: Door peephole camera support mobile APP remote viewing, the camera comes with , can be connected to the home router. Memory Card Or Cloud Storage: Support 128G memory card (not included), support for cloud storage, support for Open Network Video Interface Forum protocol, you can connect the NVR storage, save the video is more convenient. Multi Function: The door peephole camera supports motion detection alarm, guarding your home security. Built in speaker and sound for two way talk.