•Clear Color Picture In Day Time And Automatically Changed To B/W Picture At Night Time •Built-In 4-9 MM Vari-Focal Lens •Built -In 20 IR LEDs For More Effec tive Illumination •Separate Control Board For Infrared LED Prolongs The Life Span Of LEDs •Optimum Circuit Board Design To Suppress The Heat From Infrared LEDs •Illuminator Distance : 25 M (In-Door)