This B/W smoke detector hidden camera uses a high sensitive 1/3" interline transfer CCD Image Sensor, and all state circuitry which provides extremely long life and high reliability. This camera offers excellent image quality and functions with low lag and high burn resistance, and is not subject to distortions from magnetic fields. Highly resistant to shock and vibrations and easy to install. This camera is an excellent choice for your B/W (colour) CCTV.