Product Description Specification: Main material: ABS; Input of charger: 100-240V AC Output voltage of charger: 24V DC; Voltage of battery: 14.4V Unit average power: 24 watt; Charge time: about 5 hours Working time: about 90-120 minutes; Unit size: Diameter 32*8.7CM Battery: 2200MA NI-MH This robot vacuum cleaner A338 has many advanced features including Extremely low noise ( lowest level among this industry) LCD touch screen Virtual wall with two-way infrared signal transmitters Schedule work, "full go" cleaning, speed selection. Wireless remote controller Easily to be disassembled Non-collision bumper with better performance Sweeping, vacuuming, mopping and disinfection (4 in 1)

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Ultra Fine Air Filtercarol rya