The device also options a few convenient to use buttons for manual tests and straightforward pairing modes. The smoke detector head could be swapped out for appropriate Synergy+ heat detector heads rendering it easy to meet up with specifications. You should Observe, this solution is for indoor use only. EMS https://www.thesafetycentre.co.uk/blog/ems-wireless-firecell-systems-from-the-safety-centre/