Is an electric Dimer control toggle switch Type C-190
which controls a motorized proportional damper.
From totally open or closed & intermediate modes For adjusting of the airflow, BM is box mount installation.
The Dimer have led identification when it’s activated.
Include: Motor Damper, C-190 Dimer, RJ-11 cable, +/- cab
le , instruction & operation manual All packed in on Box.
Require transformer 12V AC (not include in the Kit)