WattStopper’s LMLS-400 and LMLS-500 daylighting sensors can be used for switching or dimming applications and are designed for easy integration with occupancy sensors and other lighting controls. The digital photo sensors include a two-way infrared transceiver for wireless configurations. The LMLS-400 features automatic comissioning for either switching or dimming. The LMLS-500 is a multizone open-loop photosensor designed for ceilings or the light well of a skylight. Both sensors can be configured for on/off switching, bilevel or trilevel switching, or step dimming. wattstopper.com