Danlers CEFL PHDD 10VDC Daylight Linked Dimmer (2m lead wire)
from Danlers (Model: CEFL-PHDD-10VDC)
A Ceiling Mounted 10V DC Daylight Linked Dimmer Switch from Danlers that fits flush into false or plasterboard ceilings. Dimming light automatically according to the ambient light level this switch will maintain a constant brightness of between 100 and 1000 lux according to requirements.
for Danlers CEFL PHDD 10VDC Daylight Linked Dimmer (2m lead wire)