Welcome to our shop! 1、High-quality plastic material, sturdy, anti-corrosion, ensures long durability. 2、Metal gear can withstand higher loads, guaranteeing the normal operation of the servo. 3、High efficiency, low noise, and low power consumption during operation. 4、High accuracy, not easy to strip, reliable to use. Easy to install and disassemble. 5、Includes 5pcs different servo arms in the package to meet your different needs. Item Type: Gear Servo Material: Plastic + Metal Color: Black Model: S0900M Locked Torsion: 10kgf.cm at 4.8V; 14kgf.cm at 6V No-load Speed: 0.21s/60° at 4.8V; 0.19s/60° at 6V Weight: Approx. 52g/1.8oz Dimension: Approx. 36.6 x 20.2 x 40.7mm/1.4 x 0.8 x 1.6in Working Voltage: 4.8V-6VDC Working Frequency: 1520μs / 333Hz Motor Type: DC Motor Gear Type: Metal Gear Bearing Type: 2BB If using a voltage regulator, please keep the voltage at 4.8V-6VDC Compatible: Suitable for 1:8 1:10 high-speed car, fixed-wing ducted fan aircraft, etc. 1 x Metal Gear Servo 5 x Servo Arms 5 x Screws 8 x Accessories 100% Satisfaction - Our customers are our priority. If you find any problems with the products after receiving the goods, such as damage and incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory customer service