RoboVac Charging Base Replacement Kit (US)Additional charging base, allowing for easier return to charge after cleaning. To avoid signal interference, it is recommended to place the additional Charging Base in a different room from the original one. When in the same room, ensure the charging bases are not too close to each other. The distance between them should be more than 32. 8 ft 10 m. Rest assured that this is a genuine eufy RoboVac accessory. Maintain your RoboVac's peak cleaning