
The Vd S-tested, photo optical smoke detector is easy to install & can be networked with up to 30 other devices. The Flamm Ex gas detector can be coupled with the system. With the test button you can check the smoke chamber, the electronics & the battery The light-emitting diode displays the operating status of the smoke detector. A stainless steel mesh also prevents the ingress of insects or dust in the smoke chamber The integrated emergency power supply by 9 V block battery ensures operation even during power failures.