1Multi Functions: Indoor unit adopts 7in high definition digital LCD screen, with monitor, walkie talkie, unlocking, manual or automatic photography, video recording, visitor record, calendar and more functions. 2Intimate Design: The indoor monitor supports up to 32G small memory card, 16 kinds of ringtones, and multi language, practical and functional. 3Wireless Connection: The device can connect to WIFI or wired router, support the connection of 5 mobile phones, monitor and unlock mobile phones, support communicate with visitors through APP. 4Outdoor Safety: The outdoor unit adopts 1080 high definition camera, which is anti oxidation, hard wearing, with rain cover, wall mounted installation is more convenient. 5Easy Installation: Equipped with power adapter and terminal wire, the device can be installed easily by user. The indoor monitor can be directly connected to the outdoor unit through the 4 core wire.