Top loading: 4mm stainless steel trash can; stainless steel water tank; stainless steel high-pressure pipeline; German controller; American sensor; rear arrow light; oil, trash and water tanks are equipped with anti-overflow or low-level alarm devices; indoor monitoring of reversing and cleaning status Anti-collision automatic protection device for reversing; maintenance of safety protection device; high-tech wear-resistant engineering spacer is used for the rotating mechanism of the brush arm, without butter; 20m high-pressure washing reel. CAN bus integrated motion controller, one-key computer control.