This is a 28PG-BL4316 Outrunner Brushless Geared Motor by Chaoya, featuring a 28mm planetary gearbox with an outrunner DC brushless motor. This product is small in size, light in weight and high in torque, suitable for use in the case of limited dimensional space, relatively high torque requirements, and conventional brushless geared motors can not meet the performance requirements of the prerequisite conditions. This external rotor brushless motor is powered by 24V DC power supply with excellent performance and stable working condition. Together with the planetary gearbox, it has the ability to output large torque at low speed, which is suitable for power tools.