The Woods 59020 In-Wall Digital 7-Day Programmable Timer, with no neutral wire required, is great for overhead lighting, ceiling fans, porch lighting, or other outlets controlled by a wall switch. Installation is easy with a 3-wire connection. Programming can be set for multiple On/Off events that automate everyday tasks and reduce utility costs, with up to 18 On/Off settings per week, it’s convenient to set weekdays different than weekends. As day turns to night, program the living room lights to come on while you’re still at the office, giving your home that lived in look. The Woods 59020 In-Wall Digital 7-Day Programmable Timer can be set to turn on your porch lights at dark so you can safely walk to your front door and enter a well-lite, warm and inviting home. The Woods brand of timers and home controls bring simplicity to your life, by maximizing convenience, security and energy savings.