Q12-W Product Features Bring your own water tank and drag while walking. APP appointments can be launched regularly for up to a week. Increase the battery capacity by 2400 mAh You can increase the wheels and walk . Increase the power of 6W, more power and stronger suction, The touch steering design is more sensitive than the universal wheel steering. Bring your own gyroscope, take the bow-shaped route, and clean it more comprehensively. It can also be cleaned along the side. BATTERY CAPACITY: 3.7V 2400MAH Net weight: 890g Working hours: about 60minutes - about 120minutes Charging time: about 4.5 hours (USB) Cleaning area: 120m Suction: 1400PA Operating voltage: 3.7V Dust box: about 510ML Noise: Less than 70 decibels Clean up garbage: such as , melon seed shell, snack debris, dust, hair, sawdust, etc. Suitable for the ground: flat ground such as marble, tiles, wooden floors, etc. Carpets can't be used. Color: White Material: ABS Package Contents: 1 * robot vacuum cleaner 1 * USB data cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.