1、Multi 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. 2、Intimate Design: The indoor monitor supports up to 32G small memory card, 16 kinds of ringtones, and multi language, practical and functional. 3、Wireless 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. 4、Outdoor Safety: The outdoor unit adopts 1080 high definition camera, which is anti oxidation, hard wearing, with rain cover, wall mounted installation is more convenient. 5、Easy 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. Item Type: Video Door Phone Doorbell Material: ABS, Acrylic, Aluminum Color: Silver Resolution: 1024x600 Outdoor Unit Camera: 1080P Camera: 1/4 inch CMOS Camera Lens: 3.6mm Camera Angle of View: 92 Degree Call Duration: 120 seconds Monitoring Duration: 60 seconds Power Consumption: Static<0.5W, call<10W Size: Indoor Unit: Approx. 18.2x12.3x1.8cm/7.2x4.8x0.7in Outdoor Unit: Approx. 16.5x9.6x4.2cm/6.5x3.8x1.7in Installation Hole Spacing of Outdoor Unit: Approx. 9.7x6.5cm/3.8x2.6in Small Memory Card Slot On The Back of Indoor Unit: Up to 32G small memory card (not included) Unlocking Time: 10s Ringing Volume: 1-10 gear adjustable Ring Time: 5-45s adjustable Recording Time: 15-45s adjustable Use: Home, studio Weight: Approx. 1610g/56.8oz 2 x Power Adapter 1 x 5m Four Core Cable 4 x Small Cable 9 x Screw 7 x ID Card 8 x Green Screw Anchor 1 x Manual 1 x Indoor Unit 1 x Outdoor Unit