Brand Name: JX Item Name: PDI-HV2107MG 21g High Torque Digital Standard Servo Dead Band: 2s Control System: +Pulse Width Control Working Frequency: 1520s / 330hz Operating Voltage: DC 6~7.4 V Operating Temperature Range: -10 to + 60degC Operating Speed (6V): 0.14sec/60s Operating Speed (7.4V): 0.12sec/60s Stall Torque (6V): 6.8 kg.cm Stall Torque (7.4V): 7.9 kg.cm Potentiometer Drive: Direct Drive Dimensions: 30.0X10.0X35.5mm / 1.18 X 0.39 X 1.40 in Weight: 21g (0.74oz) Connector Wire Length: JR/Futaba 220 mm