... ,CMOS or CCD sensor.6 LED lights,nightvision.**handfree indoor monitor,7 inch TFT,clear image.**intercommunication,monitoring the ... outdoor,unlock..**Intercommunication is available between indoor and outdoor unit.. **Brightness, chroma and ring adjustable. **3 ... 0.75 mm,100M: RVV4 X 1.0 mm Data of Technology:**Night vision illumination distance; more than 2 ...