Airplane Multi-Pack - 5 Pack of D-645MW High Voltage High Torque Digital Metal Gear Servos from Hitec - HRC36645
The metal D-645MW is part of Hitec's D-Series servo line. All Hitec D-Series servos have been designed using brand new, cutting edge, custom engineering. Combining industry leading high-resolution, state-of-the-art ultra-response technology with a 32-bit MCU and 12-bit ADC for unprecedented programmability and flexibility, these servos deliver significantly smoother movement. The speedy, powerful line operates on a wide 4.8 ~ 8.4 voltage range, allowing use with any common battery chemistry without the need for adapters or regulators. Featuring Hitec’s industry standard 25-tooth output spline with 3mm hex screw, each D-Series servo brings monster performance never known before in the market.
Features:

Convenient five-pack of Hitec servos is perfect for balsa ARF models
Programmable PWM Digital Amplifier
32-Bit MCU with 12-Bit ADC Circuitry
4096 Resolution
1M Cycle Long Life Potentiometer
Wide Operating Voltage (4.8 ~ 8.4 Volts DC)
Dual Ball Bearing Supported Output Shaft
25-Tooth Output Spline

Includes:

Five (5) Hitec D-645MW High Voltage High Torque Digital Metal Gear Servos
Mounting hardware and horns