Online store Walmart began selling a robot vacuum ILife Shinebot W455 at a price of 360$. The product has a nex specifications: ILIFE Shinebot W455 Mopping Robot Cleaner, Wet Scrubbing, Floor Washing, Wi-Fi Connected, Works with Alexa, XL Water Tank, Zig-Zag Cleaning Path, for Hard Floors only (Supports Only 2.4G Wi-Fi).