Yes it is, we have two adult Siberians and I run two robots daily (because the house is on different levels). The difference is amazing and we can see it with a naked eye, but we can also feel it under the slippers because the floor is less dusty. The least expensive of the two is a Lefant M210, whi...

I have two Lefant robos - an M201 and a newer M210 and they work surprisingly very well for me considering they’re budget models.I’m sorry that you are having problems.