Easy To Use - Complete instructions provided in packaging. This timer switch can be set for appliances to on/off 48 times a day. You can set your own schedule for when to activate or deactivate the devices. Product Features - With load indicator; With switch knob; With children protector; With grounded pin; Product Min. Setting time: 15 minutes; Max. Setting time: 24 hours Save Time & Money - Plug fans, lamps or holiday lights in and set the timer to turn the device on and off so it won't remain on when unused. This timer switch provides the safety and security as you come home to a lighted house. No fumbling for the light switch or tripping over obstacles in your way, the lights are on when you walk in the door. Multi Purpose - This timer switch can be used with lights and appliances up to 3120W. Great for controlling lighting, heater, A/C, fans, Christmas light, greenhouse growing lighting, humidifiers, nebulizers, flow pumps for aquaria, ventilators etc.