KST Servos are renowned for Quality at realistic prices. From Hobby helicopters and gliders to Industrial and UAV applications KST servos have earnt a reputation for performance even under the most demanding conditions. Whether you need to win your next competition event, power a mission critical UAV or operate industrial grade machinery or robotics KST has a solution for you. Application Fields: UAV ,remote control helicopters, micro robot, robot arm and boats. ALL kind of R/C Toys and Arduino experiments Product Specification Brand:KST Mode Number:DS315MG Features: Compliant with most standard receiver connector: Futaba, Hitec, Sanwa, GWS etc. Great for truck, Boat, Racing Car, Helicopter and Airplane. All metal case by CNC. Included 2 ball bearing. With 12mm coreless motor. High precision metal gear. Large stall tongue of 4.8Kg. Small size and light weight. SPECIFICATIONS: Material: Metal Signal: Digital Connector wire: About 215mm Operating voltage: DC 4.8-8.4V Operating speed: 0.10 sec / 60°@ 4.8V; 0.09 sec / 60° @ 6.0V; 0.08 sec / 60° @ 7.2V; 0.07 sec / 60° @ 8.4V Stall torque: 2.8kg.cm @ 4.8V; 3.5kg.cm @ 6.0V; 4.3kg.cm @ 7.2V; 4.8kg.cm @ 8.4V Working frequency: 1520us/333Hz, 900us-2100us Motor type: 12mm coreless motor Bearing type: 2BB Item size: 27.5 * 23 * 12mm Item weight: 20g (wires included) Package include: 1x KST DS315MG Servo Motor (with accessories)