Xiaomi IMILAB CMSXJ11A User Manual page 13

Gateway reset button
Reset: Long press for 8 seconds, if the indicator flashes
yellow, that means the gateway is sucessfully reset.
Camera power button
Power on: Long press for 2 seconds, if the indicator flashes
tgreen once, that means the camera is on.
Power off: Long press for 2 seconds, if the indicator flashes
red once, that means the camera is off.
Reset: Long press for 8 seconds, if the indicator flashes blue,
tthat means the camera is successfully reset.
Playback
Playback feature is only available after a compatible microSD
card is installed in the gateway. Once a MicroSD card has been
installed and the security camera is turned on, videos will be
recorded automatically.
In the IMILAB Wire-Free Home Security Camera control interface
in the Mi Jia app, click "Playback" to enter the page, then select
the time period you wish to view.