The fuel of the lawn mower only requires devices such as a remote control or smartphone to operate, and does not need to be near the mower body to operate, providing a certain level of safety.
The wideband Lambda Oxygen Sensor (LSU4.2) which is installed on the exhaust pipe of the automobile engine(AUDI /VW sensor). The oxygen sensor(0258007049)measures the amount of unburned fuel in the exhaust pipe to adjust fuel mapping for cleaner emissions