This is a High Speed Digital Servo. It is designed to work with 500 Helicopters. Features: High Speed Metal Gears Specs: Operating voltage range 4.8V-7.4V Operating speed : 0.10sec@60°//6V 0.09sec@60°/7.4V Torque : 6.5Kg-cm @ 6V 8.0Kg-cm @ 7.4V Weight 40g Working Frequency:1520us/333Hz,900us-2100us/ Ball Beaing : 2BB 15mm Coreless Motor Size:35.5*15*32.7mm
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