Features 1. When the battery is low, it will automatically find the charging stand and automatically return to the charging. There is no need to worry if there is no door. 2. 1000Pa roll suction. 3. Two-speed frequency conversion, adjust with the heart, ultra-quiet energy-saving dust under ordinary suction. 4. Thin and compact, free to enter and exit the bottom of low-rise homes to capture more dust. 5. Non-slip large wheel, super slippery and wearable, easy to climb 15mm obstacles and easily cross the slope of about 15 degrees. 6. With anti-fall detection sensor, automatic sensing height drop deceleration automatically adjust direction to avoid falling. 7. Intelligent anti-collision, quick identification. 8. Charging time: 3 hours. 9. First charg
