Built for Convenience, Key features include the time delay which prevents stray lights from turning the control off and a coated circuit board that provides extreme weather resistance|Broad Compatibility, Compatible with LED, CFL, Induction, HPS and HID lighting fixtures requiring instant response, with 105-305VAC, 50/60Hz range|High-Quality Construction, Built to resist weather and moisture for 20,000 cycles and a 20-year lifespan, this photocontrol has surge protection and an operating range of -40 deg F to 158 deg F