Lazurec A9 Pro Window Cleaning Robot is a white-colored device with a super slim body design, measuring 22.9*22.9*6.5 cm and weighing about 1.45 kg. It features automatically dual-direction spray by water pump with two levels of spray volume and an insufficient water reminder function. The robot is equipped with an anti-slippery crawler belt, a user-friendly multi-language voice prompt, and a separate air duct to prolong its lifespan. It can intelligently recognize borders and adjust direction automatically, and when detecting air leakage, it moves back automatically.