Guardline vs Harbor Freight Bunker Hill Driveway Alarm Comparison

We put the Guardline 500' and 1/4-mile outdoor motion alerts head to head with the Harbor Freight Bunker Hill driveway alarm to see which is the best. In this video we compare range, sensor sensitivity, overall construction, and additional features to see which outdoor motion sensor comes out on top. Products Featured: Guardline 1/4 Mile Wireless Driveway Alarm: https://www.guardlinesecurity.com/pro... Guardline 500 ft Wireless Driveway Alarm: https://www.guardlinesecurity.com/pro...