The iLife V3s Pro is a budget-friendly vacuum cleaner robot that is compatible with Raspberry Pi. It offers good cleaning performance at an affordable price. The V3s Pro features a low-profile design, allowing it to clean under furniture and hard-to-reach areas. It has a powerful suction and a tangle-free pet hair care technology, making it suitable for pet owners. The V3s Pro has multiple cleaning modes, including auto, edge, and spot cleaning. It also has a large dustbin capacity, reducing the frequency of emptying it. The V3s Pro operates quietly, making it suitable for use during the night or when you're working from home. If you're on a tight budget but still want a decent vacuum cleaner robot for your Raspberry Pi setup, the iLife V3s Pro is a good option.