Alarm.com ADC-VDB775

The Alarm.com ADC-VDB775 is a premium video doorbell designed to bring sharper video, smarter alerts, and reliable performance to your front door. With a 4MP camera and HDR support, the ADC-VDB775 captures clear, detailed footage in a range of lighting conditions, helping you see visitors and packages with confidence. Whether you’re checking on deliveries or monitoring activity at night, this doorbell delivers video you can trust. Choose from either the white, silver, or bronze color option.

Fully integrated with the Alarm.com platform, the ADC-VDB775 uses advanced Video Analytics to distinguish people and packages, reducing unnecessary notifications while keeping you informed when it matters. For more on smart video features and service plans, see our guide What Is Alarm.com?. You can access live video, recorded clips, and intelligent alerts all through the Alarm.com app or web portal for easy, remote monitoring from anywhere.

Two-way audio lets you speak with anyone at your door — whether you’re at home or away. This is perfect for greeting guests, instructing delivery drivers, or checking on unexpected activity. The ADC-VDB775 mounts using your existing doorbell wiring, eliminating the need for frequent battery changes and providing consistent power. If you’re installing this alongside a full security system, many are capable of viewing the doorbell right from the alarm panel screen.

Designed for outdoor performance, the ADC-VDB775 offers weather resistance and night vision so your front entry stays covered through rain, wind, and darkness. Installation is straightforward; for step-by-step setup tips, check our walkthrough on How Do I Install an Alarm.com Camera?. If you’re exploring more Alarm.com camera options for other areas of your property, browse the Alarm.com Compatible Security Cameras collection.

The ADC-VDB775 is an excellent choice for anyone wanting improved visibility, smarter notifications, and seamless video integration with Alarm.com and their existing security system.

Compatible Doorbell Accessories

Alarm.com offers several accessories designed to support proper installation and reliable operation of the ADC-VDB775 Video Doorbell. These accessories address common installation scenarios related to mounting, chime compatibility, and power requirements.

• ADC-VDBA-775-WMK Wall Mount Kit
  Used to adjust the viewing angle of the doorbell when mounting on flat surfaces, narrow trim, or side walls. This accessory helps center faces and improve overall camera coverage.
• ADC-VDBA-WS Wall Spacer
  A rubber spacer used when the mounting surface is uneven or not flush. It fills gaps behind the doorbell to provide better support and a cleaner installation. Packaged in boxes of 50 units.
• ADC-VDBA-MCD Mechanical Chime Adapter
  Required when installing the ADC-VDB775 with a traditional mechanical doorbell chime. This adapter ensures proper chime operation and stable power delivery.
• ADC-VDBA-775-PM Power Module for Digital Chimes
  Used when installing the ADC-VDB775 with a digital doorbell chime. This module stabilizes power and allows the digital chime to function correctly.

Choosing the correct accessories helps ensure a smooth installation, reliable operation, and the best possible performance from the ADC-VDB775 video doorbell.

Specifications

• Model: ADC-VDB775
• Device Type: Video doorbell camera
• Camera Resolution: 4MP with HDR support
• Video Analytics: People and package detection
• Audio: Two-way audio with built-in microphone and speaker
• Night Vision: Infrared for low-light recording (Up to ~15 ft (5 m)
• Power: Wired doorbell power (no batteries to replace) AC transformer: 16-24 VAC, 10-40VA (16VAC, 10VA recommended) DC transformer: 18-24VDC, 12-30W
• Connectivity: Wi-Fi (802.11 b/g/n/ac/ax, 2.4 & 5 GHz)
• Ingress Protection: IP65
• Live Viewing: Accessible via Alarm.com app
• Installation: Uses standard doorbell wiring and mounting locations
• Operating Temperature: -58°F – 122°F (-50°C – 50°C)
• Operating Humidity: <95% (non-condensing) RH