TowerPro SG90 - Analog Plastic Gear Micro Servo Description: -Weight: 9g -Dimension: 23×12.2x29mm -Stall torque: 1.8kg/cm(4.8v) -Gear type: POM gear set -Operating speed: 0.1sec/60degree(4.8v) -Operating voltage: 4.8v -Temperature range: 0c - 55c -Dead band width: 1us -Power Supply: Through External Adapter -servo wire length: 25 cm -Servo Plug: JR (Fits JR and Futaba)