Servo JR DS3500G Manufacturer JR Applications Heli/Gyro, 4.8V Only Type Digital Mini High Speed Torque 4.8V 27 oz/in (1.92 kg/cm) Torque 6.0V - Speed 4.8V 0.07 sec/60 degrees Speed 6.0V - Dimensions 33mm x 27mm x 15mm Weight 25g Bearings - Gear Type Nylon