This flush-mounting housing Backbox is designed for fingerprint intercom models D2102V, D2103V, D2101TFV, and D2101FV. Compatible with multiple application types including single-family and multi-tenant residences, it provides a secure and sleek installation option. Perfect for access control systems featuring fingerprint recognition, keypads, and call buttons. Upgrade your entry system with this durable and reliable housing that fits various advanced intercom models. Enhance your property security with ease—purchase now.