i-series smoke alarm based on the scattered light principle with built-in 10-year lithium battery (3V), stand-alone device, optionally wirelessly networkable with Ei650M radio module (to be purchased separately), AudioLINK function for reading out detector data, convenient identification, diagnostic function, event memory, 12h signal suppression, large test/mute button, increasing test volume, without LED flashing, automatic. contamination compensation, dismantling protection, VdS-tested in accordance with DIN EN 14604, quality seal Q in accordance with VdS 3131/vfdb 14-01, 5-year guarantee, 10-year service life
