Smoke detector-Lithium + C

For early detection of smouldering fires and open fires with smoke build-up indoors acc. to photo-optical measuring principle (Tyndall). Suitable for the connection to external systems such as ABB-free@home® via radio module Busch-Smoke alarm detector RF in combination with the ABB-free@home® Alarm-Stick. Permanently installed lithium battery with a service life of at least 10 years. Certified by the KRIWAN Testing Center Tested according to DIN EN 14604. Audible alarm with 85 dBA at 3 m. Dismantling safety. Networkable via two-wire line for up to 20 detectors. Networkable via radio module 6828 for up to 20 detectors. "Q" certificate according to VdS 3131 / vfdb directive 14-01. Diameter: 120 mm. Height: 47.50 mm.