Transform everyday surfaces into a remote control with the easy-to-use Knocki. Attach this wireless device to a table, door or wall and the entire surface instantly becomes a touch interface for smart technology. The Knockis patented technology enables the device to sense touch gestures anywhere on the surface. The Knocki can be programmed to perform tasks such as turning lights on/off, receiving an alert when mail arrives, or brewing coffee from your bed. Features: built-in WiFi receiver, includes a wall mount, can attach to flat surfaces. Meaures 3.5" diameter x .8" height.