momentum smart video doorbell for home with package delivery alerts, for smartphones | 1080p real-time video, advanced motion sensor, night vision, two-way talk, 110db siren, free cloud storageThe Momentum Knok Video Doorbell let's you watch over your home through your phone, PC, or Tablet. Giving you clear HD Video in 1080p day or night, you will never have to worry who's at your front door again. The doorbell will send notifications directly to your phone when motion is detected or when someone rings your doorbell. Just open up the app and talk through the phone as the doorbell utilizes its built in speaker and microphone to communicate through its two-way talk system just like a walkie-talkie. You can even custom make motion zones areas to minimize false alerts. If there are unwanted visitors just turn on the built in 110-decibel siren from the app. The knok also comes with two different colored face plates that you can switch to best match your home, apartment or business. Product Specs: Video Resolution: 1080p HD Motion Sensor: Custom Zone Creation, Smart False Sensor Detection Night Vision: 1080p HD Product Weight: 15 Oz Dimensions: Field of View: 130 Degrees Avg. install Time: around 5-10 minutes depending on experience Audio: Two-Way Talk Siren: 110 Decibels Internet Requirements: 802.11 b/g/n Wi-Fi Connection @ 2.4GHz Connectivity: Wired Connection (16-24V AC) Available Colors: (Included in Box) Copper or Silver Replaceable Face Covers Local Storage Support: MicroSD up to 128 Gb Included in Box: Momentum Knok Doorbell Chime adapter kit Copper Face-Plate Silver Face-Plate Mounting Bracket Horizontal (15*) Angle Bracket Vertical (15*) Angle Bracket Drill Bit (4) Long Mounting Screws (2) Wall Anchors (2) Power Connection Screws (2) Wire Clips Double-Sided Tape Doorbell Connection Wires Leveler Screwdriver