Lutron, Maestro countdown timer switch for halogen and incandescent bulbs, 5-amp light/3-amp fan, single-pole or multi-location. Neutral required. 120 V. White. Timer allows exhaust fan or light to turn off automatically after running for five to 60 minutes. Use with 3A general-purpose or exhaust fans, incandescent bulbs, or halogen bulbs up to 600-Watts. Full-on setting available to override timer Installs in as little as 15 minutes-just like a standard switch.