Smoke alarm for 230V connection with self-charging 9V lithium emergency battery, battery life at least 10 years, networking via wire and radio possible, radio networkable with radio module Ei3000MRF, AudioLink function, including mounting plate with touch-proof connection of the 230V power cable, large test/mute button, mute function, event memory (24h memory), contamination compensation, 5-year guarantee, 10-year service life
