Feature: 1. Waterproof Performance: Fully waterproof servo system to maintain good waterproof density in wet conditions. High efficiency during operation. 2. Stable Performance: High accuracy potentiometer and high resolution digital chip, stable working performance. Easy to install and disassemble. 3. Anti Interference: Strong anti interference ability, quick response speed, and more delicate and smooth control. Hard anodized high accuracy stainless steel gears. 4. Good Performance: Coreless motors provide high speed, responsiveness, unimaginable efficiency and low power consumption. 5. Applicable Model: 30kg digital servo is suitable for 1/10 remote control car, remote control plane, etc. Servo size is about 40.0x20.5x40.5mm / 1.57x0.8x1.59in. Specification: Item Type: 30KG Servo Color: Blue Shell Material: Aluminum Alloy Weight: Approx. 325g / 11.5oz Servo Size: Approx. 40.0x20.5x40.5mm / 1.57x0.8x1.59in Steering Angle: 180°/360° Operating Voltage: 4.8V-7.4V Operating Temperature Range: -25℃-70℃ No Load Speed: 0.24sec/60°-0.17sec/60° Operating Current: 140mA-200mA Pulse Width Range: 500-2500usec Median: 1500usec Peak Stall Torque: 29.5kg.cm-32kg.cm Dead Band Width: 5usec Number of Teeth: 25T Applicable Model: 1/10 Remote Control Car, Remote Control Plane, etc.. Package List: 4 x Servo16 x Plastic Servo Arm4 x Metal Servo Arm28 x Screw16 x Anti Skid Sleeve16 x Rubber Pad