We provide the ONLY SOLAR CLEANING ROBOT ready for mass deployment in existing solar farms with outstanding gap spanning feature. Equipped with outstanding power system and structure patented in US and China, Boson Robots can smoothly cross very difficult array gaps. Unique Features include: Obstacle Surmounting Technology, Overcoming connections inclination up to 28°, Auto Posture Correction withing 1 Second, Moving across step displacement, Climbing Frame displacement.