Configurable sender / receiver barrier from 5 to 100 meters. for environments that require intrinsically safe detectors. Independent transmitter and receiver unit (Exd Certificate). Allows 2 detectors per system controller (Additional detectors: 3000-026). Relays independent of fires and failures per detector. Integrated LASER alignment. Low current consumption Two wire connection between controller and receiver. Remote controller with LCD screen. Sensitivity and configurable delays. Compensation for dust contamination and movement of the available building. Adjustable light cancellation technology. Complies with ATEX, IECEx, EN54: 12, VdS.