Features 1、Gyro and waterproof 2、Dual ball bearings 3、CNC aluminium middle hull 4、High-precision Taiwan-made aluminium gears with hard anodizing 5、High performance programmable digital high voltage coreless Gyro servo This is high performance programmable digital high voltage coreless gyro servo, suitable for DOMAN 450 500 helicopter fixed-wing airplane. Small size and light weight is conducive to the flight of RC models. Besides, its high quality dual ball bearing, large torque and Taiwan-made aluminium gears are perfect for your RC models. Features: Gyro Waterproof Dual ball bearings CNC aluminium middle hull Small size and light weight Large stall torgue of 4.52Kg/cm High performance programmable digital high voltage coreless Gyro servo High-precision Taiwan-made aluminium gears with hard anodizing Suitable for DOMAN 450 500 helicopter fixed-wing airplane Specifications: Brand: JX Model: PDI-HV2545MG Dead band: 1μs Working frequence: 1520μs / 330Hz Operating voltage: DC 6~8.4 V Motor: coreless motor Operating speed (6V): 0.06sec/60° Operating speed (8.4V): 0.04 sec/60° Stall torque (6V): 3.54kg.cm Stall torque (8.4V): 4.52kg.cm Dimensions: 35.5 * 30 * 15mm Connector wire length: about 250mm Bearing: 2BB Weight: 26.32g Package information: Package size: 6 * 6 * 3.3cm / 2.4 * 2.4 * 1.3in Package weight: 50g / 1.8oz Brand gift box package Package list: 1 * JX PDI-HV2545MG 25g Metal Gear Digital High Voltage Coreless Gyro Servo 1 * Spare Parts Set Package List 1 * JX PDI-HV2545MG 25g Metal Gear Digital High Voltage Coreless Gyro Servo 1 * Spare Parts Set