Wired Intercom Doorphone for Double Rooms, 200m Operation Distance, Clear Audio Communication

Product Details ① Two-way intercom for double rooms: Enables clear communication between two rooms within 200m talk distance, suitable for multi-person households or office use. ② 2-line connection design: Stable signal transmission with RVV2 wire connection (cable not included), ensuring reliable communication without interference. ③ DIY easy installation: Can be placed on desktop or wall-mounted, no professional tools needed, saving setup time and effort. ④ Energy-saving operation: No current consumption when idle, prolonging battery life and reducing power costs. ⑤ Versatile application scenarios: Suitable for offices, warehouses, families, meeting various communication needs in different spaces. Specifications ① Material: ABS, ensuring durability and stable performance. ② Color: White, with a sleek appearance for various interior styles. ③ Dimensions: 22.2 x 8.7 x 7.3 cm (8.7 x 3.4 x 2.9 inch), compact size for easy placement. ④ Battery Requirement: Each unit requires 4 x AA 1.5V batteries (batteries not included). ⑤ Connection Type: RVV2 wire connection (cable not included). ⑥ Bell Sound Level: 70DB at 0.5m distance, ensuring audible ring in daily use. Packing List ① 2 x Wired intercom doorbells (only the above items included, no other products). Warm Tips ① Proper connection: Connect units with same color wires (RVV2x0.5mm line recommended for ≤50m, RVV2x1.0mm line for ≤100m; cable not included). ② Color variation: Slight color difference may occur due to light reflection and display settings; actual color may vary slightly from images. ③ Measurement tolerance: Dimensions allow ±1-3cm error; ensure accurate placement before installation. ④ Battery usage: Each unit requires 4 AA 1.5V batteries (not included); replace batteries as needed for continuous operation.