Key Features . Smart Plug wireless range – 200m wire-free rangeExpandable – with up to 40 easy to link accessoriesSecure encryption The Sync Smart Plug enables you to switch appliances on and off wherever you are via the Yale Home App. You can also schedule as to when you want your appliances to turn on and off such as lights.It’s easy to link with your Yale Sync Smart Home Alarm allowing you to customise your system with up to 40 accessories with the option to use no screws or tools perfect if you are renting your home or moving homesWith the Sync Smart Home Hub Sync Alarm Smart Plug and other Sync Accessories you have yourself a comprehensive security system with Yale’s 180 years of security expertise behind it. In addition to this the alarm system has the ability to use leading voice assistants to control your home alarm and have Philips Hue lights as an added deterrent. What\'s in the Box . ‎1x Sync Smart Plug. .