Product Description The VELUX ACTIVE KLN 300 Departure switch allows you to close all windows easily as you leave your home. It is recommended to get one for each exit of your home, for example one at the front door and one at the back door, to be able to depart easily and close your windows from any place.Features & Benefits:Home secures ventilation through the ventilation flap which remains activated.Extra security and peace of mind when leaving the home.Easy operation of windows simultaneously.One is included in VELUX ACTIVE Package (KIX 300), however recommended to have one at each exit.
