Feature: For: Large Scale vehicles 1/5 , 1/6, 1/7 Material: Plastic Case with Aluminum Heatsink Color: Blue Specification: Spline: 15T Torque(6.0V): 55.0 kg-cm / ( 764 oz./in) Torque(7.4V): 60.0 kg-cm / ( 834 oz./in) Torque(8.4V): 65.0 kg-cm / ( 900 oz./in) Speed: 0.19 sec (6.0V)?0.17sec (7.4V)?0.15 sec (8.4V) Operating Voltage:6.0 ~ 8.4 DC Volts Gear Type: Copper & Steel Bearing Type: Ball Bearing x 2 Motor Type: DC Motor Operating Temperature:-20?~60? Working frequence:1520?s / 333hz Size:65.8x30.0x55.6mm (2.59x1.18x2.19 in) Weight: 190 g (6.70 oz.) Include: Waterproof Monster Torque HV Digital Servo (1) Accessories