本app用于配合永诺YN900 LED摄像灯使用，通过手机蓝牙可以连接YN900 LED摄像灯并实现远程控制亮度、远程开关机的功能。
This app is used cooperatively with YONGNUO YN900 LED Video light,via Bluetooth from mobile phone,it connects YN900 LED Video light to achieve the function of remote control for the brightness and power switch.