MKS HBL380 High Voltage Servo Ultra torque brushless motor servo - Perfect Servo for large-scale airplane, jet and 1/8, 1/5 scale buggy.- Ideal for CCPM on 700~800 class helicopter.- Ultra torque, incredible efficiency, and low power consumption.- CNC Machined Metal Case Design for Exceptional Cooling.- HD 4096 Resolution, 0.008ms Dead Band.- Superior Holding Torque, Japanese Brushless Motor. - Output performance to the top level – smoother, faster, and more efficient.- Special design for high voltage 2s LiPo operation.- Extremely strong Chrome-Titanium alloy gear, providing high level of durability that will survive heavy use. Torque (6.0V): 31 kg-cm / 430.5 oz-in Torque (7.4V): 39 kg-cm / 541.6 oz-in Torque (8.2V): 41 kg-cm / 569.4 oz-in Speed: 0.114 s (6.0V) / 0.092 s (7.4V) / 0.082 s (8.2V) Weight: 73 g (2.57 oz) Dimension:40 x 20 x 38.5 mm SERVO SPECIFICATION Torque (kg-cm) 31 (6.0V) / 39 (7.4V) / 41 (8.2V) Torque (oz-in) 430.5 (6.0V) / 541.6 (7.4V) / 569.4 (8.2V) Speed 0.114 s (6.0V) / 0.092 s (7.4V) / 0.082 s (8.2V) Stall Current (at locked load) 5.9A (6.0V) / 7.5A (7.4V) / 8.1A (8.2V) Working Voltage 6.0V ~ 8.4V DC Volts Working Frequency 1520μs / 333Hz Dead Band 0.0008 ms (Default) Bearing 2* Ball Bearing Gear Metal Alloy Gear Motor Japanese-made Brushless Motor Wire Length 29 cm