JX Servo PDI 6121MG 20kg Large Torque 120 Degree Digital Coreless Servo For RC Models Description Dead band 1sMaximum Pulse Width 900 2100usMaximum Angle 120Working frequence 1520s 330hzMotor coreless motorOperating Speed 4 8V 0 152sec 60 Operating Speed 6V 0 131sec 60Stall Torque 4 8V 17 21 kg cm 239 03oz in Stall Torque 6V 21 06kg cm 292 46oz in Dimensions 40 5X20 5X36 5mm 1 59X0 80X1 43inWeight 61 g 2 15oz Connector Wire Length JR265 mm 10 43in Bearing 2BB Fearture High performance standard digital servoHigh precision metal gearHigh quality brushed motorDual ball bearing Package included 1x JX PDI 6121MG Servo