2 channel 360-degree surface mount presence detector with quick plug-in terminal block, provides efficient reduction in energy consumption Conduit knockouts make this device perfect for surface mounting in concrete ceilings 10m detection range, manual override feature and up to 1 hour time delay LED 400W, AC Halogen 1000W, Incandescent 2000W, Fluorescent 900VA Lux adjustment from 10 to 2000 lux 2 channel 360-degree surface mount presence detector with quick plug-in terminal block, provides efficient reduction in energy consumption Conduit knockouts make this device perfect for surface mounting in concrete ceilings 10m detection range, manual override feature and up to 1 hour time delay LED 400W, AC Halogen 1000W, Incandescent 2000W, Fluorescent 900VA Lux adjustment from 10 to 2000 lux