Unfortunately due to supplier shortages stock is now expected week commencing 28th Feb.
Radio Frequency Battery Smoke Detector WITH 10 YEAR LITHIUM BATTERY *Interconnect up to 20 wireless detectors *10yr Sealed Lithium Battery *Battery only with integrated RF technology *Activated by twist and click mounting bracket *Loud 85dB alarm *Insect proof *Test function and hush feature *Easy Installation *Compatible with Hispec Control Unit HSSA/CU/RF10-PRO