95% relative humidity, non-condensing, for indoor use only environmental conditions|Dual technology occupancy sensor combines the benefits of passive infrared (PIR) and ultrasonic technologies|The sensor mounts on the ceiling with a flat, low profile appearance and provides 360 deg of coverage|Detection signature analysis eliminates false triggers and provides immunity to RFI and EMI|Walk through mode turns lights off 3 min after the area is initially occupied - ideal for brief visits such as mail delivery|Built-in light level sensor featuring simple, one step setup|Zero crossing for long relay life|1 x 108 operating cycle|Ultrasonic diffusion technology spreads coverage to a wider area (patent pending)|Dip switch simplifies sensor adjustments|LEDs indicate occupancy detection|Uses existing line voltage wiring and doesnt require a power pack|Six occupancy logic options give users the ability to customize control to meet application needs|Ballast load type|Architecturally appealing low profile appearance|Auto set automatically selects optimal settings for each space|Walk through mode increases savings potential|Ultrasonic diffusers give more comprehensive coverage|Terminal wiring for quick and easy installation