Lutron GRX-CESO-277PKG Outdoor Sensor from PLC Multipoint
the GrX-ces daylight sensors allow for changes to be made to a Lutron® Lighting system through a contact closure, using a GrX-Lc8 controller, based on the amount of daylight available. there are 3 types of indoor sensors available, and 1 outdoor sensor. outdoor sensors are normally installed on the roof of a building.