A standard apartment video door phone (VDP) kit typically features a 7-inch indoor color display and a weatherproof outdoor camera unit with two-way intercom capabilities
Indoor Monitor: 7-inch TFT LCD or color display with hands-free operation and touch or soft-touch buttons. Outdoor Camera: High-definition or 1.3MP to 2MP camera resolution featuring infrared (IR) night vision for low-light visibility. Build & Durability: Weatherproof outdoor doorbell casing (often IP65-rated) to withstand dust and rain. Audio & Communication: Built-in microphone and speaker for two-way audio communication. Wiring & Power: Standard 2-wire, 4-wire, or CAT6/RJ45 PoE configuration depending on analog or IP-based setups. Extra Features: Support for electric door lock integration, internal snapshot/video storage, and optional smartphone or multi-apartment lobby panel connectivity.