OEM H2O Robot Dust Cleaner,July Hottest Robotic Cleaner 1. Material:ABS,PC,PA6 2. Input Voltaga:100- ... 240V OEM H2O Robot Dust Cleaner,July Hottest Robotic Cleaner Procuct Info Material ABS,PC,PA6 Input Voltaga 100 ... design,only 55db. OEM H2O Robot Dust Cleaner,July Hottest Robotic Cleaner