Hitec HS D845WP D-Series Mega Scale WP Multi Purpose, 32 Bit Programmable Digital Servo, with High Reponse and Wide Voltage.

Features:

• Operation Voltage: DC 3.5~8.4V
• Durable Steel Gears with Dual Ball Bearing
• Programmable High Response Digital Amplifier with Mosfet Drive
• 32-bit MCU and 12-bit ADC
• 25-tooth output spline
• Water & Dust Resistance (IP67)
• Heat Sink for Motor

Tech Specs:

Torque: 32.5kg-cm @ 4.8v, 40.5kg-cm @ 6.0v, 50.0kg-cm @ 7.4v

Speed: 0.26 @ 4.8v, 0.21 @ 6.0v, 0.17 sec @ 7.4v

Dimensions (WxLxH): 66.0 x 32.0 x 62.0 mm

Weight: 227g