This is the Panasonic Advance Series Link Plus Wireless Adapter, model WTY2001. I accidentally bought two, so I'm selling this one. The box has been opened, but the item is new. [Features] Please connect this device to a Wi-Fi (wireless LAN) router. 1. You can check the operating status of various Advance Series Link Plus switches (receivers) and operate them from outside the home using a smartphone, tablet, etc., via the internet. 2. You can operate it within the home using a smart speaker. ● Please use a commercially available Wi-Fi (wireless LAN) router. ● A LAN cable is not included. Please prepare a LAN cable [commercially available] of the necessary length for the location where this device will be installed. (Either straight or cross cables can be used.) ● Please install the "Switch App" on your smartphone or tablet to operate the switches (receivers) or register this device. ● Up to 50 circuits of switches (receivers) can be registered to this device.