.With an operating voltage of 9~15 volts, the rugged SG15BL is designed with a high-performance brushless motor, magnetic encoder, and durable, hardened steel gears. It includes CAN 2.0 A/B or DroneCAN (formerly UAVCAN) control options with 360 degrees and multi-turn proportional rotation. With smooth and decisive movement and accuracy along with a true waterproof rating, this aluminum case 15mm micro servo is designed for industrial applications requiring maximum performance in tight spaces.