About this item ?Heavy Duty 40 AMP Pool Timer?120 to 277 VAC, 40A Resistive, 1HP to 2HP capacity allows the outdoor timer box to be used to control high-power electric devices. ?Daily Repeat?24-Hour daily repeat cycle; motorized timer switch with real time clock face and 96 pins (15 min minimum interval) for up to 48 programs per day; rotate dial clockwise until arrow indicates current time; press pin for desired time period and push manual switch to "Auto" position, or Override the timer to always ON mode by pushing the manual switch to the "ON" position. ?Metal Casing? The metal shell offers exceptional anti-oxidation and waterproof capabilities, with a working temperature range of -40? to 130?, so that you don't have to go out to close or store the device in bad weather. ?Variety and Convenience? The timer is compatible with SPDT and DPDT switches, and can control 1 or 2 devices at the same time. There are six wiring methods in total, and it is suitable for a variety of outdoor products, such as water heaters, swimming pool pumps, fountains, spas, and lawn mowers, air conditioners and other equipment motors, etc. ?Support Guarantee?The installation and wiring of different loads are explained in the instruction manual, if you encounter any technical problems, please feel free to contact us for professional help. We have a 12-month warranty, and our friendly customer service will reply your correspondence within 24 hours. › See more product details 1. Set the Current Time Turn the dial clockwise,make the arrow points to the current time, each scale represents 15 minutes. 2. Set the Schedule Push manual switch to "Auto" position and than press the pins on the dial for the periods of time you want the timer to be ON. After setting schedules, push the manual switch to the "AUTO" position to active the timer mode. Note: Rotate the dial to reset the current timer after a power failure.