1. 360 degree automatic rotation, no need to charge 2. The top layer of nylon grab board, grinding claw, rubbing oxygen is correct 3. The anti-skid pad design on the bottom surface is not easy to overturn and does not scratch the floor 4. It will run away when touched, energy saving and environmental protection 5. Material: ABS+PP+felt cloth 6. Dimensions: 25.5 x 25.5 x 7cm 7. Weight: about 279g
