This advanced electronic kit is designed to enhance your flying experience by offering three distinct modes: Rate, Hold, and Gyro Off. Each mode is tailored to suit different flying conditions and preferences, ensuring optimal performance. The integrated 3D flight gyroscope balances the aircraft during flight, providing smooth and stable maneuvers. Whether you're a hobbyist or a professional, the for NX4 is your go-to solution for improved aircraft handling and performance. Experience unparalleled control and stability in your fixed-wing aircraft with the for NX4 Flight Controller. Model Number: Flight Controller Input voltage: DC 5 - 6V Operating temperature: 0-50C (The product appearance and printed words depending on the batch, but this does not affect use) Color: As shown Material: plastic Package Contents: 1 set x flight control board 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.