Legrand CI-24, 24 Volt DC/AC Ceiling Occupancy SensorI Too, Am Sensitive To Occupants In a Building…Introverts Unite!Condition:* New Surplus Stock, No OEM Packaging. As Pictured.Additional Notes:* Detection Signature Analysis eliminates false triggers; provides immunity to RFI and EMI* Digital time delay adjustment from 30 seconds to 30 minutes* Two levels of sensitivity (minimum or maximum) are selectable through the DIP switch* Multi-level Fresnel lens for superior desktop detection* LED indicates occupancy detection* Features: Adjustable Time Delay, Indicator Lights, Isolated Relay, Locator Light, Sensitivity Adjustment* Included: Ceiling Attachment Ring, Mounting Screws, Sensor Mask* Installation Location: Ceiling* Switch Type: Motion Sensor* Standard: UL, cULLegrand CI-24