Adwel WiFi Smart Timer switches are used to control the operation of electrical appliances and machinery etc. based on a pre-programmed schedule of operation of such equipment. This device is a programmable WiFi Smart Timer based on a micro-controller that can be programmed to schedule the on and off operation of any electrical appliance as per requirement even at odd hours without any human interference. The device is designed and programmed to be controlled through a timer relay switch. This timer switch allows you to set both the start and end time of any electrical appliance. That means, you can pre-program when to turn the appliance on and for what duration long you want it to be remained on and to shut off automatically thereafter even at odd hours without any human interference.