PUROSUR iRobot Roomba Series Integrated Home Base Charger with Cord and Plug

This home base is the "integrated" model, i.e.,The charger has all the pieces integrated into the base resulting in less clutter and a heavier base. it comes with a north american cord and plug. it‘s just the cor connecting the dock and outlet, the ac adapter is built in the unit. The integrated home base comes with a energy saving feature, the light on the home base would come on for 5 seconds once the unit has docked and shut completely after. it works for 500-900 models,Input 100-240V -50/60Hz 0.68A,When Roomba is not charging, light flashes green. When Roomba is attached and fully charged, green light stays on. if your Roomba is not charging on the base, you can try to clean the metal tabs on the Roomba and dock station. Need wire brush or steel wool, then a dab of alcohol to wipe clean.