Amarey A800 robot vacuum cleaner review: This budget robot vac delivers premium performance

Despite being nearly synonymous with iRobot’s Roomba, there are a plethora of makes and models of robot vacuums. Some, like Samusung’s Powerbot line, carry familiar brand names, but many come from smaller, less-recognized companies. Surprisingly, some of the best products come from the latter camp. Case in point, the A800—just one of two robot vacuums