Wion indoor wi-fi wall tap. Lets you control electrical devices from anywhere using your smartphone or tablet. Monitor energy usage & costs. Expandable by simply adding up to 12 smart switches. Programming options include: multiple on/off settings, countdown, random vacation, & sunrise/sunset schedules. Manage computers, gaming consoles, entertainment centers or any device that can be powered off when not in use for energy savings. Works with your existing wi-fi router & free wion app. Includes 2 usb charging ports, not wi-fi controlled. 15 Amps.