<p style="text-align: left;"><font color="#474747"><span style="caret-color: rgb(71, 71, 71);"><b>* Please contact us for custom and ready-to-fly configurations.</b></span></font><br></p><p style="text-align: center;"><br></p><p style="text-align: center;">M690B focuses on industrial applications in a wide range of fields for its comprehensive performance. The features of small size, light weight, portability and diversified customization</p><p style="text-align: center;">capabilities for better user experience.</p><p style="text-align: center;">&nbsp;</p><p style="text-align: center;"><br></p><h4><span style="font-weight: bolder;">Main Features:</span></h4><h4><p style="font-weight: 400;"><br></p><ul style="font-size: 13px; font-weight: 400;"><li><p>Hollow Design:&nbsp;Made of carbon fiber, Tougher in structure, higher in strength, and lighter in weight.<br></p></li><li><p>Long Flight Time:&nbsp;Up to 55mins under normal conditions(1kg payload).<br></p></li><li><p>Smart Battery:&nbsp;High energy density rate and excellent BMS for a longer and safer flight.<br></p></li><li><p>Custom T-MOTOR Propulsion System:&nbsp;The choice of safety, for long endurance characteristics, the efficiency, reliability, and weight have been optimized to make it highly efficient, stable, and safe.<br></p></li><li><p>Protection:&nbsp;The mission killer, allows you to accomplish tasks in different environments.<br></p></li><li><p>Optional Payloads:&nbsp;The M690B comes with a flexible connector and multiple optional power supply ports for better compatibility with more devices for different demands.</p></li></ul></h4>