1 shops are selling it on Ebay with coupon codes. Other top features is Motion Detectors. Also ds151i motion sensor is one of the top 10 sellers in and in 2022.

Bosch - ft Range The Detector of the and DS151i specifically designed for Request-to-Exit applications.
The DS150i detect in coverage and signal an or BasicProduct Type:Motion SensorColor:BlackBrand Name:BoschMaximum Motion Sensing Distance:10 InformationProduct Number:DS151I Manufacturer:The Model:DS151iProduct Name:DS151i Motion SensorBrand Name:BoschMiscellaneousAdditional or door coverage relay modeSelectable modesWall ceiling visible activation LEDPhysical DescriptionInput Voltage:24 V InformationMaximum ftMinimum Sensing.
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