Danlers Daylight Linked Dimmer On/Off Photocell Switching 1-10VDC
These automatically dim lights according to ambient light level to maintain a constant brightness of between 100 and 1000 lux (adjustable). For suspended or plasterboard ceilings. Complete with 2m cables for quick and easy installation.
Has dimming and on/off switching and is suitable for dimmable ballasts with 1-10VDC input.