The Sync Module 2 connects up to 10 of any Blink Indoor, Blink Outdoor, XT2, XT, Video Doorbell and Blink Mini devices (not required for Mini).
Blink Sync Module 2 for Blink Home Security Camera System - Helia Beer Co
Blink Outdoor Camera Mount, Weatherproof Protective Cover and 360 Degr – Totality Solutions Inc.
Blink Indoor 2-Camera System, Wireless, HD security camera with two-year battery life, motion detection, two-way audio, works with Alexa, MY Smart Home Shop, Security Camera
Wall Mount Bracket new Blink Outdoor Camera 360 Degree - Temu
256GB USB Flash Drive and Outlet Mount for Blink Sync Module 2, Save S – Totality Solutions Inc.
Adhesive Blink Outdoor Indoor (3rd Gen) & Sync Module Camera Mount, 3+ - Brainwavz Audio
Blink Video Doorbell Plus Sync Module 2 - Battery or Wired - Smart Wi-Fi HD Video Doorbell Camera System in White B08SGR2G65 - The Home Depot
Blink Smart Video Doorbell with Sync Module 2 Review - Gearbrain
Blink XT Smart Home Security Camera System Review - Home and Horizon
Blink Video Doorbell + Sync Module 2 Review
Blink Add-On Outdoor (3rd Gen) Wireless 1080p Security Camera (Requires Sync Module) Black B086DKMSSM - Best Buy