... institution, school, villa, factory, etc, installing in fence, door, window, and balcony. Features:Excellent performance: ... process, durable.Low false alarm: immune little petsWired/wireless, multi-beams, multi-heights optionalEasy to install ... distance(m)101010101010202020202020303030303030404040404040Power supply DC12-18VAlarm output Wireless and wired availableRelay contact capability 3A/125VAC/ ...