[Configure your and ESC via Bluetooth]: With the app, turn your phone into an all-in-one configurator and tune your anytime, anywhere. Enjoy the to fly with fully configuring your ESC wirelessly. [Powerful 50A 4-in-1 ESC]: Built with the BB21 MCU and motor pads for easy soldering. Built with Japan-made filtering capacitors +onboard protective diode, brings a flight experience.Real 50A output, for your baddest 6S motors. [Onboard Battery Life Indicator]: Built with a 4-level LED battery indicator, now you can fly anywhere worry-free - even without your checker [Change Motor Directions Wirelessly]: Finishing your latest ? Just replaced your motor after a crash? Take your smartphone out, and configure your motor direction wirelessly with the latest app. Works for all BLHeli32 / BLHeli_S / ESCs. [4 sets of LED Pads with Simple Switching]: Need more visibility at night? Just solder up your LED strips and blaze the darkest trail you can find. With just one tap on the BOOT button, you can through all different LED presets and pick you love Colour:black Material:plastic Package Contents: 1 x Flight Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.