ECOVACS WINBOT W2 PRO OMNI Manuel D'instructions page 13

Before use, please ensure that Station's safety rope is securely
fastened to an immovable and stable object, such as a table leg,
chair leg, bed leg, sofa leg, curtain rod, stair railing, etc. Also,
lock the Safety Rope to prevent any potential risks.
Safety Rope is assembled by default. Do not disassemble it at will.
13 EN