This lens is compatible for various popular CCD and CMOS as 1/2.5”, 1/2.7” and 1/2.8” sensors, supporting up to 3-megapixel. IR correction design bring high quality image under both Day & Night Mode. Compact mechanical parts, can be used for some Mini Dome. 3.3-12mm covered the focal lengths (FOV) for most outdoor and indoor applications, including wide angle surveillance on big image sensor. DC Auto Iris version for option.