Bending light as it passes through a lens or prism to change the direction of the beam.

Switch that accepts a low-power signal to control a high-power load.

Switch that accepts a low-power signal to control a high-power load.

Rough-In Section for a recessed downlight that is designed to install from below into a finished ceiling.

Rough-In Section for a recessed downlight that is designed to install from below into a finished ceiling.

Electronic control mounted separately from the master or individual dimmer, permitting operation from multiple locations. Full-Function Remotes set the dimming level as well as switching on/off.

Electronic control mounted separately from the master or individual dimmer, permitting operation from multiple locations. Full-Function Remotes set the dimming level as well as switching on/off.

Separately mounted transformer that powers a low voltage fixture or system (indoors or landscape).

Separately mounted transformer that powers a low voltage fixture or system (indoors or landscape).

Nerve endings in the “non-focal” area of the retina of the eye. Rods are very sensitive but see only black and white.