The Hubbell Bryant MSD1000W1N Automatic Wall Switch Occupancy Sensor combines the excellent minor motion detection of ultrasonic with the outstanding passive infrared (PIR) long-range major motion detection. It also includes Bryant's Adaptive Technology which allows you to install and forget, saving time and money from not having to do constant adjustments. This technology also helps eliminate false-offs and disturbances. Dual technology occupancy sensors combine both passive infrared (PIR) and ultrasonic (US) technologies for maximum reliability. Because Ultrasonic and PIR need to both detect occupancy to turn lighting on, dual technology sensors minimize the risk of lights coming on when the space is unoccupied-false triggering. Continued detection by only one technology then keeps lighting on as necessary. Dual technology sensors offer the best performance for most applications. Adaptive technology - "Install and forget" operation All digital sensing technology Dual 120/277V AC operation. No neutral required Automatic operating mode with no button No minimum load requirements Hard lens (dual technology, passive infrared) Zero arc point switching Built in photocell with manual super saver mode for daylight harvesting Bi-level switching or dual load control (MSD, MSP, MSU1000x2, 2N series) Nylon wallplate included The Bryant MSD1000W1N Ultrasonic and PIR Auto Occupancy Sensor White Wall Switch is also available in Ivory, sold separately.
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