The robot lawn mowers (割草机) (design) by us have the following benefits besides saving your time and effort.
First, they are environmentally friendly.With global warming now (be) a major concern, you can have peace of mind with these mowers. They run on rechargeable batteries and do not use petrol or burn oil like conventional lawn mowers.
Second, they work very (quiet).After careful assessment, noise from them (find) to be about 60 decibels (分贝) lower than a typical lawn mower, so you can program them to work at night while you sleep.
Third, rain sensors in our robot lawn mowers warn the robot (return) to its shelter or stay in its shelter while it's raining. On other hand, if you are using a simple electric lawn mower, you will have to stay out in the rain while you get your mower under shelter it will be useless.
Fourth, bump sensors in our robot lawn mower protect the lawn mower from running over items may be lying in the yard, thus increasing its life and efficiency.
Last but not least, they are (benefit) for people with allergy problems — they can cut your grass while you sit far away, reading your favorite novel comfort.
