1. Compatible with all robot models 500, 600, 700 and 900 2. Suitable for series 500, 600, 700, 800 and 900, such as 52708, 527e, 528, 529, 530, 531, 532, 533, 539, 550, 551, 55,200, 526,566 563 and 560. 50 64 56 708 570 571 57 7 580 595 601 602 610 620 630 650 651 655 660 664 670 671 690 690 6160 770 776 78 0 790 805 860 861 864 870 871 875 880 885 890 891 930 960 961 964 970 971980 and other robot vacuum cleaners 3. Operating voltage: 100-240 V 4. Package contents: 1 charging station (with power cable)