➯ Applicable models (5.8mm small conductive needle distance): for Xiaomi K10, for Xiaomi 1C, for Mijia G9, for Dream V8, for Dream V9B; ➯ Models that may not be applicable: may not be for Dream V11 (interface pin pitch needs to be measured and confirmed, not for 9mm large conductive needle distance). ➯ Unsuitable models: not for Dream V9 (not for 9mm large conductive needle distance), not for Dream V12. ➯Soft velvet roller brush does not hurt the floor - the floor brush has a built-in independent motor, which is matched with the high-performance motor of the host, and the dual motors drive the large-diameter floor brush to run at high speed. ➯ Floor brush size: 26 x 27.2 x 10 cm; only for 5.8 mm narrow socket; The outer diameter of the interface is about 34.6 mm