【Efficient Cleaning】The M83 window cleaning robot can clean 1 square meter of glass in just 3 minutes, saving time and effort with its automatic water spraying system and dual water tanks 【Intelligent Cleaning Paths】Features 4 smart cleaning routes: Z-type, N-type, N/Z-type, and spot cleaning, ensuring thorough coverage of all window surfaces 【Powerful Suction】With 5600Pa strong suction power, the robot can easily remove stubborn stains, dust, and water marks while securely adhering to vertical surfaces, supporting up to 4kg of weight 【Multiple Safety Features】Equipped with 4 multi-directional sensors and a 4.5-meter safety rope. The built-in 500mAh battery allows the robot to stick to windows for 25 minutes, with an alarm system in case of power failure 【Versatile Application】Suitable for various surfaces including marble, frameless glass, framed glass, and tiles. Ideal for homes, high-rise buildings, offices, hotels, and schools 【User-Friendly Design】Ultra-thin 7cm body allows easy movement in gaps larger than 9cm. Remote control operation with one-touch start/stop functionality for convenient use Specifications: Dimensions: 22 x 22 x 7cm Weight: 1.3 kg Power: 72W Minimum Cleaning Area: 40 x 40 cm Suction Power: 5600Pa Noise Level: Approximately 60dB Safety Rope Length: 450 cm Water Tank Capacity: 50 + 50 ml Cleaning Speed: 3 minutes per square meter Battery Capacity: 500mAh