?Descriptions:
1.The YS-S4 of ZEROUAV provides better flight performance. The innovative MINI All-in-one design simplifies installation and saves space and weight. It contains inner damping， controllers， 3-axis gyroscope， 3-axis accelerometer and barometer in its light and small Main Controller. It can measure flying altitude and attitude and therefore can be used for autopilot/automatic control.
2.YS-S4 supports four types of multi-rotor， which meets the different needs of the enthusiasts.
Quad I， QIuad X;
Hexa I， Hexa X;
3.The gimbal stabilization module is compatible with almost all 2-axis gimbal systems. The system will adjust the gimbal and camera according to the attitude of the aircraft after setting the parameters the first time.
4.Compatible with almost all radios-PCM or 2.4Ghz， simple application， provide more options.
5.The Independent LED module makes the indication of the flight status and the system status to the ground much clearer. The pilot can get information more quickly and more conveniently， even at night， he/she can get real-time flight information feedback through the LED flashing frequency and colour.
Flight Performance:
Hovering position accuracy (GPS mode): Vertical: ± 1m Horizontal: ± 2m
Max Level Speed: < 10.2m/s
Max Tilt Angle: 35°C
Max Ascent/Descent Speed: <5m/s
Specifications:
Suit for: Quad-Rotor: +4， x4;Hexa-Rotor +6， x6;
Supported ESC output: 400Hz refresh frequency PWM
Recommended Battery: 3S~6S LiPo
Power Consumption: MAX 1W
Operating Temperature: -5°C to +60°C
Package size: 18 * 12 * 5cm / 7.1 * 4.7 * 2in
Package weight: 194g / 6.8oz
Package list:
1 * S4 Flight Controller
1 * Y4-Series GPS/Compass
1 * GPS Foldable Bracket Holder
1 * LED Module
1 * Flight Control Power Model
6 * 15cm Connect line