It can be installed next to it (metal will interfere with the signal)Anti-Tamper Design:Anti-demolition design: The newly upgraded wireless video doorbell has anti-theft function. We can set the tamper alarm independently, and once the doorbell is disassembled, the alarm will sound to deter thieves IR (infrared) Night Vision Function & Handsfree Dualway AudioThis video doorbell camera is equipped with daynight vision automatically switching function and 2way audio When someone press the doorbell no matter bright or dark outside your house you can clearly see the visitors face and have a real-time video talk each other. IP65 waterproof & 7 Inch LCD Touch Monitor With rain cover IP55 waterproof design dust proofand antivandalHD camera buildin speakers and microphone IR night vision, 135° wide view angle, Clearly observe visitors day and night. 7 inch UI interface monitor,the maximum support 32G memory card, you can view pictures or detect videos. When the storage is full, it will automatically cover the early pictures or videos Automatically Snapshot or Recording:When visitor press the doorbell or triggered motion detection, the camera will automatically snapshot or video recording and save in the Micro SD card( not Including 32GB card) of monitor.