Ideal for trucks, boats, racing cars, helicopters and airplanes. Power Supply: Through External Adapter. Stable and Shock Proof. Coreless Motor , Metal Gear . Torsional moment: 4.8V, 13 kg cm (180.5 oz in) 6V, 15 kg cm (208.3 oz in) Meets most standard receiver connectors: Futaba, Hitec, Sanwa, GWS, etc. Why choose us? Cost-effective, durable, quality assurance, easy to use, professional after-sales service.We believe that you will be impressed with our durable and high quality products!PLS ATTENTION: The shipping day is about 6 days to 18 days! Hope you can support us!Thanks a lot! Product name: servo motor Description: *1. Gear type: full metal gear *2. Color: Black *3. Size: about 40*19*43 mm *4. Connecting wire: about 300 mm *5. Working speed: 0.17sec / 60 degrees (4.8V no load) 0.13 seconds / 60 degrees (6.0V no load) *6. Stall torque: 4.8V, 13 kg cm (180.5 oz in) 6V, 15 kg cm (208.3 oz in) *7. Working voltage: 4.8-7.2V *8. Power supply: external adapter Features: *1. Fine workmanship and excellent performance. *2. Stable and shockproof. *3. More accurate and safer to use *4. Ideal for trucks, boats, racing cars, helicopters and airplanes. *5. Meets most standard receiver connectors: Futaba, Hitec, Sanwa, GWS, etc. Package Including servo motor *1 metal gear *4 installation accessories