17kg large torque. 15 kgcm (208 ozin) 6.6V; 17 kgcm (236 ozin) 7.4V Full metal gear. it's better for accuracy, service life has been greatly increased 270 degree rotation. Controllable angle range from 0 to 270 degrees, Excellent linearity, precision control. Can be rotated within 360 degrees when power off Using high-precision potentiometer with new design. Accuracy and linearity have been greatly improved! Accurate movement can satisfy the needs of making robots. Dimension:54.5*20*47.5mm 17KG large torque. 15 kgcm (208 ozin) 6.6V; 17 kgcm (236 ozin) 7.4V. Full metal gear. Improve servos accuracy and extend its service time. 270 degrees rotation. Controllable angle range from 0 to 270 degrees, excellent linearity, precision control. It can rotate within 360 degrees when power off. Use high-precision potentiometer with a new design. Accuracy and linearity have been greatly improved! Accurate movement can help you build up robots.