1. Larger water tank: 240ml water tank for longer working time2. Electronically controlled water pump: precisely control water flow at four different levels to avoid over damping or under damping the cleaning cloth while mopping3. Mop detection sensors: automatically turns mopping mode on and off4. Bacteria removal: OZMO Mopping System can remove over 99% of bacteria based on the test report from testing agency5. Disposable mopping cloth: It& 39;s convenient to use and change the disposable mopping cloth, instead of washing the washable mopping cloth repeatedly.The OZMO Pro Mopping System enables robots to deal with stubborn stains by using electrically powered high-frequency vibration that works 480/min, and a unique fine mopping mode comparable to an electronic mop.colour:BlackMaterial:plasticPackage Contents:1 x Water tank system5 x Cleaning clothOnly the above package content, other products are not included.Note: Light shooting 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.