A high-quality smoke detector for use with C-TEC’s HP508 Hush-Pro BS5839-6 Grade C Controller. Certified to EN54-7 & 17 by the LPCB. Smart algorithms help reduce false alarms. Drift compensation functionality. 0.16dB/M sensitivity/obscuration level. Two 8mm x 2mm ultra-bright red LED indicating strips offering 360º visibility. Compatible with our HP508 Hush Controller. Up to 16 field devices (detectors, sounders and/or I/O units) per Controller