Slim Line Doorbell Camera with Two-Way Audio and Night Vision (ADC-VDB105)

Operational range is 8-36VAC, 10VA or 12VDC 0.5 to 1.0A wired to an in-home mechanical or digital doorbell chime. Digital doorbell chime compatibility requires SkyBell Digital Doorbell Adapter - not included. Alarm.com recommends a minimum of 12 VAC for consistent functionality, but the recommended range for best results is 16-24 VAC. Compatible with Wi-Fi 802.11 b/g/n, 2.4 GHz up to 150 Mbps. Full color 720p camera. Infrared Night vision, detects motion up to 8 ft. Battery life 3-5 years. Water resistant. Cost: $150, and $5 per month service fee. An alarm.com cell module with monthly service agreement is required.

Wi-Fi Doorbell Camera with Two-Way Audio and Night Vision (ADC-VDB101)

Operational range is 8-36VAC, 10VA or 12VDC 0.5 to 1.0A wired to an in-home mechanical or digital doorbell chime. Digital doorbell chime compatibility requires SkyBell Digital Doorbell Adapter - not included. Alarm.com recommends a minimum of 12 VAC for consistent functionality, but the recommended range for best results is 16-24 VAC. 3-5 year battery life, full color night vision, full color 1080p camera, water resistant. COST: $150 and $5 a month service fee. An Alarm.com cell module with monthly service agreement is required.