brand new and high quality Features: High quality and high cost performance, tiny and lightweight with high output power. Application Fields: used for fixed-wing, glider, remote control helicopters, micro robot, robot arm and boats. Amplifier type: analog controller, working voltage: 4.8. Stall Torque 1.6kg/for cm(4.8V), dead band width: 10usec. No load running speed: 0.1sec/60degree at 4.8V, rotary angle: 180. Specifications: Main Material: Plastic Size: Approx. 23x12.2x29 mm/0.91x0.48x1.14 inch Product Torque: 1.6kg/for cm(4.8V) Response Speed: 0.1sec/60degree(4.8V) Working Voltage: 4.8V Temperature Range: 0~55 Deadband Width: 10usec Dead Band Setting: 5s Gear Medium: Nylon Working Mode: Analog Note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Includes: 2x SG90 9G Micro Servo Motors with Rocker Bag