The DM-SQ-27 is an affordable square cased board security camera. It is a high quality camera. The advanced CCD sensor delivers 380 lines of resolution. The 0.3 low light lux is excellent in most lighting conditions including office and retail stores. The built-in electronic iris will keep your picture clear and crisp. Very small, ideal for hidden or spy camera - inside vehicles or places where you have to be discreet.