... phone 2: Plastic camera 3: Handset indoor monitor 4: lowest price Hot color 3.5 or 4 inch TFT ... sensor.6 LED lights,nightvision.**handset indoor monitor,3.5 inch or 4 inch TFT,clear image.**intercommunication, ... outdoor unit.. **Brightness, chroma and ring adjustable. **3-chord melody rings for option.**two cameras can connected ... (H)mm **Wiring requirements:30M: RVV4 X 0.5 mm,50M: RVV4 X 0.75 mm,100M: ...