The Vgoodrc USB Link Adaptor Programmer RC Drone Parts allows you to easily reverse motor direction without changing motor wires, and adjust a host of setting to include Demag compensation and timing for Hi-KV motors with Sync issues. To use the programing tool, simply download the free BLHeli suite software, plug the USB tool into the computer and select the comport, next connect the receiver connection wire from the esc to the USB tool and turn power onto the esc. Press connect and adjust parameters as needed and select flash and you are done. Don&acute;t miss out!<!--Features --><p>FEATURES</p><ul><li> Allow you to easily reverse motor direction without changing motor wires</li><li> Adjust a host of setting to include Demag compensation and timing for Hi-KV motors with Sync issues</li><li> Easy to use</li><li> High quality, stable performance</li><li> Compact and light, easy to carry </li></ul><!--Specifications --><p>Specifications</p><table width="100%" border="0" cellpadding="0" cellspacing="0"><tbody><tr><td width="131"> Brand</td><td width="365"> Bgoodrc</td></tr><tr><td width="131"> Dimensions</td><td width="365"> (1.89 x 1.18 x 0.47)" / (4.8 x 3 x 1.2)cm (L x W x H)</td></tr><tr><td width="131"> Weight</td><td width="365"> 0.25oz / 7g </td></tr></tbody> </table><!--Package Includes --><p>Package Includes</p><ul><li>1 x USB Link Adaptor Programmer</li></ul><!--Extra Info --><!--produts_compatibility -->