Wayvee device is placed within a retail environment and is primarily used as smart shelf technology, but will soon be applicable to other placements, including displays, in-store media, and POS systems. It is a core radar device that emits radio waves, allowing the AI algorithm to process the information, extracted from radio waves, for further emotional recognition. A compact sensor measures 6.5 x 6.5 cm, is easy to install with minimal technical knowledge, and has a detection radius of up to 3.5 meters.