Digital timers simplify your life by automating repeating parts of your schedule, saving the user time, energy and money. The DIN200B is a 7-day multipurpose timer, ideal for rail-mounted applications in the home, office, factory or panel building including the control of indoor/outdoor lighting, security systems, or HVAC equipment. Program in up to 7 different on/off cycles (4 on channel 1 and 3 on channel 2) for each day of the week using the simple interface in order to control lights or appliances exactly as needed. This timer features 2 120VAC output channels with SPDT dry contacts. It is also rated for operating temperatures between 14Ëš and 131Ëš Fahrenheit. Also, the included battery backup provides power in the event of a power outage. and the Choose a digital timer from TORK, a pioneer in the time switch industry since 1922.