Applicable to:

RoboVac 30C, RoboVac 35C, RoboVac G30 Verge, RoboVac L70 Hybrid, RoboVac G30 Hybrid, RoboVac G20, RoboVac G20 Hybrid, RoboVac G40 Hybrid+, eufy Clean G50 Hybrid

eufy has some RoboVacs that work with boundary strips, including:

RoboVac 11C Pet Edition, 30, 30C, 30C MAX, 35C, G20, G20 Hybrid, G30 Edge, G30 Verge, G30 Hybrid, G40 Hybrid+, L70 Hybrid.

Note: For RoboVac G20, G20 Hybrid, G40 Hybrid+, and L70 Hybrid, the boundary strip doesn't come with the package, you need to buy extra.
Extra Boundary Strip Pack

Some other models, such as RoboVac 11S, 15C Max, G30, G35+, and G40+ do not have the sensors to recognize the boundary strips, so they do not work with any boundary strips.