The device also options 3 easy to use buttons for guide testing and straightforward pairing modes. The smoke detector head might be swapped out for compatible Synergy+ heat detector heads which makes it very easy to meet requirements. You should Be aware, this products is for indoor use only. No https://www.thesafetycentre.co.uk/blog/ems-wireless-firecell-systems-from-the-safety-centre/