Battery: 3.7V 1200MAHWorkaing time: about 100 minutesCharging time: about 150 minutesCleaning area: 150m2Working voltage: 3.7VRated power: 3WDust box: about 400MLMaterial:ABSPacking list:1.The product uses universal design, when encountered in front of obstacles, the opportunity to change direction.2.Stop charging when the red light goes out, prevent overcharge, affect service life and accident.3.If the product appears abnormal phenomena, such as odour, smoke, abnormal noise, excessive fever. Please stop using immediately.Thank you very much for your patronage, if you have any questions during the purchase process, please feel free to contact us, we will serve you wholeheartedly!