A key rescue machine, a key crane and an auatic crane function.< />4 flight modes: Normal, auatic-balance, Auto-ho and turn modes.< />3 TYPES OF WING: standa, -ALA (flight wing) and V-tail.< />Remote total sensitivity control.< />3 working frequencies for s: 50Hz, 125Hz and 250Hz.< />< /> adjustment of the common sensitivity, self-stabilizing and of the crane.< />Rocker center, auatic caliation.< />Support (7.4 v) recei and stee motor.< />Easy to use, extremely suitable for beginners< />Input voltage: 5-7.4 V< /> Travel: 1520 +/- 500us< />Gyroscope: +/- 2000 dps< />Accelerometer: +/- 4G< />colour: Photo Color< />material: ABS,PC< />size: 43x27mm< />< />Package Conten:< />1 x flight regulator stabilizer< />< />Only the above package content, other produc are not included.< />Note: Light ing 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.