SM30BL is compatible 12V/24V serial port smart bus servo，all aluminum alloy shell、brushless motor、steel gearbox、Feetech self researched and developed RS485 control board，12 bit high precision magnetic coding sensor，6T output shaft. The stall torque is 14kg.cm（please note：this version is internal current limiting version），can achieve 0-360 degrees any angle controllable，multi-turn continuous operation mode，it can realize the function of setting the middle point with one key，acceleration slow start and slow stop，can feedback position、speed、voltage、current、temperature、load parameters，thus, overload and over-current protection can be realized. It is suitable for application in industrial equipment, logistics, robot and other industries.