Optical and heat fire sensing Ricochet mesh technology 85dB(A) built-in sounder Powered by 3 x AAA batteries (included) 1.5 year battery life EN14604, EN50131-5-3, EN50131-1, PD6662:2017, Grade 2 Class II Only compatible with: Premier Elite Panels V2.11 Firmware (or above) Wireless Optical & Heat Fire Detector
