The 3S 11.1V LED Light Bar Controller for Multi-axis Quadcopter easily connects to the receiver of your RC quadcopter to enable LED light control. It features a variety of light modes for you to choose from. And it is built with direct interface for balance charger so no additional power supply is required. Crafted with high-grade materials and fine workmanship? it is highly reliable and durable for long-term use. With such high quality and great design? it surely is your best choice!                                    Features             Easily connect to the receiver of your RC quadcopter to enable LED light control<br> Offer a variety of light modes for you to choose from<br> No additional power supply is required<br> Built with direct interface for balance charger<br> Highly reliable and durable for long-term use   <br>                                                            Specifications             Operating Voltage     12V / 14.8V / 22.2V    <br> Dimensions     (5.12 x 1.18 x 1.18)" / (13 x 3 x 3)cm (L x W x H)    <br> Weight     0.6oz / 17g       <br>                                                             Package Includes            1 x LED Light Bar Controller<br>