The E-961-S90W single photobeam detector from Seco-larm U.S.A. Inc. measures 3 3/8 by 2 3/8 by 1 1/2 in. and is built for both indoor and outdoor use. With a range of 100 ft., the detector can be used for access through gates, doorways and garages. The E-961-S960W can mount flat on the wall or at a 90-degree angle without brackets. Seco-larm U.S.A. Inc.
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