Add flight controller switch control mode and three-axis locking(AVCS) modeAdopts angle vector control algorithm, realtime test and correct angle drift of 3-Axis.Locking mode greatly improves airplanes stablity.Add switch channel to switch mode during flight.Color: BlackMaterial: ABSSize: 26 x 39mmWeight: about 12gWorking Volt: 3.5-6VSensitivity debug,we suggest that in lowest position in maiden flight,and according to add 5 mins range Each to process the Test flight adjustment.When the flight controller factory settings,in 50% position,please do not put the set factory settings as standard,and adjust right sensitivity according to your airplane and power parameter.Package list:2 x P1-GYRO 3-Axis Flight Controller Stabilizer System Gyro (With accessories)2 x Instruction ManualOnly the above package content, other products are not included.Note: Light 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.