Chaoya has a 22PG-BL2238 DC geared motor, this brushless geared motor has a diameter of 22mm, with a 22mm planetary gearbox and BL2238 DC brushless motor, it is compact in size, has low noise during work operation, and is capable of outputting high torque at a low rotational speed, which is suitable for products such as motorised curtains, which need to be low-noise. At the same time, the performance is stable during operation, and compared with brush geared motors, the life span is longer, which can prolong the use of the product.