Stem and Swivel Style Photocell | Dimmable: Non-Dimmable ; Operating Temp: -20c (-4f) to a Maximum of +45c (+113f) ; Nsf Approved: Yes - Approved | Fan Control (Left) Use Slide to Turn Fan On/off and Adjust Fan Speed. 3 Quiet Fan Speeds Designed to Prevent Motor Hum (For Use With One Ceiling Paddle Fan). Dimmer (Right) Toggle Turns Light On/off. Slide Up to Brighten, Down to Dim | Features: Long Life, Electronic Photocell, Zero-Cross Technology, Led Fixtures Totaling 1650 W @ 277 Vac, Fail Mode: On, Top Lens, Uv StabilizedFurbay Electric Supp