The CM-PC series of On/Off Photocell sensors provide the industry?™s most intelligent control of lighting for daylight harvesting applications. Ideal for public spaces with windows like vestibules, corridors, or bathrooms; the sensors work by monitoring daylight conditions in a room, then controlling the lighting so as to insure that adequate lighting levels are maintained. Features Color: White Mounting: Single-Gang or Octagonal Box, Surface Mount Dual Zone: Single Zone Temp/Humidity: Standard Full On/Off Switching of Lighting Works as Stand Alone Unit or with Occupancy Sensor System? Capable of finding optimum set-point Digital Set-Point Control Programmable via simple push-button commands Outputs to Power Pack or Lighting Control System via SPDT Relay 100 Hour Lamp Burn-in Timer Mode Dimensions Diameter: 4.55" Height: 1.55" Warranty 5-Year Limited Warranty Documents Spec Sheet Instruction Sheet Labels: