** support the latest Android smart phones and tablets (Android 6.0 or higher).
** support most of the Android smart phones and tablets (Android 2.3 or higher).
** support a wide range of cameras of the devices.
** support many different screen sizes.
** Flashlight mode - this is the super brightness mode and makes use of the camera flashlight if possible. Note: some devices may not include camera flashlight or be supported. In this case, this mode will be disabled, however, you may still use LCD mode.
** LCD mode - it turns brightness white on LCD screen. It is the second best option when the flashlight mode is not working or you want to save the battery.
** Warning light mode - it toggles brightness red blinking on LCD screen. It simply makes people aware. It is for warning or "Help" purpose.
** You are highly recommended to turn off the lights, when they are no longer needed, for longer LED/LCD lifetime and energy saving.
** Note: We do not take any photos or transfer any personal data. The camera permissions are for hardware LED flashlight only.
** Please kindly do not rate 1 or 2 stars. We work very hard to test and optimize the application in different devices. Should you have any advice or need help, please send us with your device model and details (eg. screen captures) to email@example.com . Let's make the app better! Million thanks!