Hikvision Turret Cameras have become the most popular choice for many installers. They are compact, easy to install on virtually any surface including wall or ceiling, and are very easy to tune in due to its 3 axis adjustment. They usually come in a couple sizes, smaller ones with a fixed lens and larger with a vari-focal lens. Because infrared light is separated from the lens, there is no distortion and the picture quality even at night is extremely high. Turret camera are a top choice for residential and small and medium size business installations. They are commonly used in retail, hospitality, banking, outdoor and indoor.