The Hitec HSR-2645CR Wide Volt Digital Continuous Rotation. Expanding on the durable and responsive power of the HSR-1425CR continuous rotation servo, we have developed the digital HSR-2645CR. This non-proportional, continuous rotation servo delivers the commanding force you require, with intense, powerful torque, wide voltage capability and Hitec’s impressive metal gear train. Responsive high speed motion and quick directional shifts make this the go-to servo for your most complex and specialized applications. Its programmability and "all-in" solid build will have radio control, robotic and engineering enthusiasts cheering. Continuous performance by Hitec!

Specification:

• Operating Voltage Range (Volts DC): 4.8V ~ 6.0V ~ 7.4V
• Speed (RPM): 48 ~ 58 ~ 72
• Maximum Torque Range: oz. / in. 111 ~ 139 ~ 167
• Maximum Torque Range: kg. / cm. 8.0 ~ 10.0 ~ 12.0
• Dimensions (Inches): 1.59 x 0.77 x 1.48
• Dimensions (Metric): 40.6 x 19.8 x 37.8
• Weight (Ounces): 1.90
• Weight (Gram): 53.0
• Gear Material: Metal
• Bearing Type: Dual Ball Bearing