One battery can last for about 45 minutes of flight, and it takes about 35 minutes for the battery to fully charge from empty. Therefore, two batteries are enough for one mission, but three are best.

The operation requires two people: a pilot with a Class III license and an assistant.

There should be water and electricity supply downstairs; you can bring your own long power strip or generator.

Once prepared, it can clean 600 square meters in one hour. Preparation time is 15-30 minutes.

It's about 70% of the level of manual cleaning, because there's no squeegee step, leaving a small amount of water stains.

This detergent uses a special formula that will not damage glass, skin, or vegetation. However, it may react with fabrics, so avoid spilling it on clothing. Wearing plastic gloves is also recommended when preparing the solution.

The cost of cleaning one square meter of glass is 3 to 7 yuan per person, while drone cleaning only costs half the price, or even less.

We are responsible for training and teaching the operators of the program. It can be done in a day at most.

It takes 35 to 40 minutes to fully charge from 0.

A Class III CAAC license is sufficient. The machine, including the battery, weighs 22kg, which is below 25kg.