Key functions of NN-1 (Normal):

1.       Clean the floor automatically according to on the size of your room-----by one button on the surface.

2.       Protect the furniture and wall from crashing and scraping-----by Non-Marring Bumper.

3.       Avoid entering the zone you don't want to clean-----by Virtual Wall Detector.

4.       Sweep floor along the wall or other obstacle-----by Wall Following Sensor.

5.       Can be used on the uneven carpet, wood floor, linoleum, etc, and cross any thin barriers, such as wires, pad, etc.-----by Self-adjusting cleaning head.