Specifications: D9025MG Operating temperature: -20?~+60? Operating voltage: 4.8V ~ 6VDC; Working frequency: 1520 s / 333hz; Torque: 2.2kg.cm at 4.8V; 2.8kg.cm at 6V; No load speed: 0.12S/60 at 4.8V; 0.10S/60 at 6V; Corner angle: 180 Product weight: 14g; Boundary dimension: 23*12.1*28.8mm; Motor type: DC motor; Gear type: Metal gear. Package included: 2 * 9g Full Metal Gear Digital Servo 2 * Servo Accessories