Product DescriptionThe SECO-LARM E-960-D90Q Twin Photobeam Detector is engineered to deliver high reliability for both indoor and outdoor perimeter security applications. Featuring dual infrared beams, it minimises false alarms caused by small animals wind blown debris or falling leaves and integrates lensed optics for superior resistance to rain snow mist and other environmental interference. The built-in laser alignment system ensures fast precise installation while the weatherproof sunlight-filtering enclosure rated to IP55 and the anti-frost system maintain full functionality even under extreme conditions. With non polarised power inputs adjustable interruption timing and selectable NO and NC alarm outputs plus tamper detection the E-960-D90Q offers versatile installation options and dependable system integration. Its outdoor detection range is approximately 90 ft (30 m) and indoor range reaches about 190 ft (60 m) making it well suited for large areas that require professional grade protection.