The Winbot W2 Pro Omni has an internal battery that allows it to operate without a power connection, whereas the Winbot W2 Omni must always be connected by cable. The Pro has a higher suction power (5500 Pa versus 2800 Pa) and a more effective water spray system. Navigation is also more advanced on the Pro thanks to WIN-SLAM 4.0 technology (compared to 3.0 on the base model) and has more security levels. The Pro's base station is multifunctional with cable management, while the base model's is simpler. The Pro costs more, but offers superior performance and convenience.