The TORK DWZ100B SunSet Astronomic digital outdoor timer allows you to set your lighting, heating, air conditioning, electric equipment motors to automatically turn on and off, helping you to save energy and money, while adding convenience to today's busy lifestyles. When used for lighting, the timer is compatible with incandescent, compact fluorescent and LED light bulbs and can provide safety and security for parking lots and canopies and other outdoor areas. The easy-to-use timer features 99 on/off settings and allows you to program a different setting each day of the week with a minimal setting of 1 minute. The astronomic timer functionality allows you to set to each day’s sunrise/sunset times based on geographic location by setting the astronomic zones. The timer automatically adjusts to Daylight Savings, which can be omitted if desired. Additional features include Manual Override, Holidays scheduling, and Power Outage Backup. A rechargeable supercapacitor provides 7 days of real time back-up in case of a power outage. Timer accepts 120/208-240/277 VAC input voltage for multiple uses. The DWZ100B timer's housing enclosure is Noryl plastic alloy indoor/outdoor NEMA 3R rated for water resistance and features a lockable hasp. The product is suitable for both indoor and outdoor use and mounts to an external surface. The timer is UL listed and Canadian Standards Association (CSA) certified for quality assurance. The digital timer is available in grey with red buttons. TORK has been a pioneer in the time switch industry since 1922.