Have used parabeam for driveway alarm for years. Basically works like a shop door alarm like you say. We had 2 on separate driveways. Worked a treat. Good range. Good beeper in house to wake you up at 2 in morning
Have used parabeam for driveway alarm for years. Basically works like a shop door alarm like you say. We had 2 on separate driveways. Worked a treat. Good range. Good beeper in house to wake you up at 2 in morning
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