The HOBOT 2S is a robot window cleaner that features increased suction force, a double spraying system, OTA updates, and voice prompts. It is suitable for cleaning large glass surfaces in both residential and commercial settings, with a 24cm x 24cm cleaning area and a fast cleaning speed of 2.4 minutes per square meter. The device's square design allows it to reach corners easily. It comes with ultrasonic sprayer and specially designed window detergent making it easy to use and no...