Welcome to Washranp LLC, enjoy your shopping Material: Plastic Battery Capacity: 2400mAh (Battery Included) Endurance: 12 Minutes Working Noise: 60db Rated Voltage: 7.4V Rated Power: 3.7W Features: Automatic, Wireless, Strong Suction Power Size Details: L: 21.5cm/8.46", W: 21.5cm/8.46", H: 7cm/2.76"(Approx.) Package Includes: 1 x Mopping Robot 1 x Mop 1 x USB Charging Cable Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. You can use it for wooden floor, marble floor, ceramic floor in bedroom, living room, and other places. The mopping robot comes with a leak-proof large water tank for humidifying spray. And it features noise reduction and sensitive induction. Owing to a strong suction power, this floor mopping machine can pick up dirt and messes easily. And it will automatically turn around when encountering obstacles. It is constructed of plastic material. And the ultra-thin design makes it easily slide under the bed and sofa to clean the dirt, achieving a thorough cleaning with high coverage. Please don't hesitate to contact us if there is any problem. We will respond to you under 24 hours and solve the problems for you.