Feature: 1. One key operation. 2. Intelligent system for getting out of the trouble. 3. Intelligent protection function, it can be automatic protection in case of fault. 4. Anti-collision & Anti-falling. 5. Custom designed. Product specification: Battery type: 18650 Lithium battery / Ni-MH:Optional Battery capacity: 2200 mAh Working time: 80-100 minutes Charging time: 3-4 hours Power: 25W Vacuum: 1200PA Noise: 50dB Dustbin Capacity: 350ml Product dimension: 270*270*80MM Product weight: 1.4KG Colours: Customizable Certification: CE/ROHS/CB/UL/CCC/PSE/SAA/FCC Â Providing the certification as per customer requirement.