FEETECH 21kg FT5621M 1.8 rc nitro car digital waterproof for rc car/airplane/boat/robotservo 

Size: 40.2*20.0*38.6mm   

Weight: 56g(1.41oz)

 Speed: 0.14sec/60°(7.4V)

        0.12sec/60°(8.4V)

 Torque: 14.8kg.cm/205.5 oz.in(7.4V)

              16.9kg.cm/234.7 oz.in(8.4V)

Application:Air plane,Car,boat

Features

-Standard digital Titanium gears servo ,2BB

-Coreless motor,Aluminium middle hull

-Waterproof

-Operating Voltage: 2-cell Li-Po power

-Dead band width: 2usc

-Interface: (like JR)

-Wire length: 30cm