STONKAM Panic Button for Mobile Digital Video Recorder

How do we know the Mobile DVR works well or not? There is a solution for you. #STONKAM provides a panic button for mobile digital video recorder. This LED panel with panic button is used to show the Mobile DVR working status. Any of the LED flash will indicate the corresponding status. For more information, please check: https://www.stonkam.com/products/Panic-Button-AC510.html