FIRST ALERT SFA275 Parking Alert Sensor

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• Easily mounts on wall, workbench or shelf in garage• Ultrasonic range-finding technology• Uses 3 different light indicators with alert sound based on range from sensor• On/off sw itch• Powered by included 120V AC adapter or 9V battery (required)• Includes mounting tape• Display unit dim: 7.28"H x 2.4"W x 1.22"D• Sensor dim: 3.23"H x 2.4"W x 1.46"D UPC : 077283772757 Shipping Dimensions : 8.50in X 6.20in X 1.60in Estimated Shipping Weight : 0.87 Show more