One battery can be used for 45mins, and it’s charging time is around 35mins. Thus, two batteries are enough for a project. It’s better to take three batteries.

The operation requires two people: one pilot with a Class III License and one assistant.

Water and Power supply are needed on the ground floor. Either a long power strip or a power generator can be prepared by self.

After preparation, it can finish 600㎡ an hour. Preparation time is 15-30mins.

Around 70% of manual cleaning. Due to not including the water-scraping step, some minor water stains may remain.

Adopt a specially formulated detergent that doesn’t damage glass, skin, or vegetation. However, it may react with fabrics, so avoid spilling it on clothing. When preparing the solution, it's recommended to wear plastic gloves.

The cost of manual cleaning is between 3 to 7 RMB per square meter of glass. Drone cleaning only requires half of this cost, or even less.

We are responsible for the training and can teach operators to master the process in just one day.

Charging time is 35-40mins

It requires a Class III CAAC (Civil Aviation Administration of China) license for operation. The drone, including the battery, weighs 22 kg, which is within the 25 kg weight limitation.