Dual-Tech Outdoor Motion Sensor (Single PIR & Microwave) with adjustable Pet Immunity to reduce false alarms that are common on standard outside motion detectors.
DSC let you install motion detectors where no other detector typcially would go to provide relieable space protection.

The LC-151 is a unique motion detector utilizing a single passive infra-red element and Microwave technology and is designed for outdoor use in the most severe climatic conditions. The LC-151 can also accommodate pets with the addition of optional pet immunity lenses. High reliability is achieved by combining both dual tech hardware with highly sophisticated software, greatly reducing the possibility of false alarms.