User's Manual

9: Display Brightness Adjustment
Press SNOOZE button to adjust brightness of the LED display.
There are 4 brightness levels.
10: USB Charging
The USB charging port supports charging mobiles and supplies 1A
charging current.
Battery Operated Mode
When the device is powered by batteries only, the display will be
off in 10 seconds and the alarm will only sound for 3 minutes. USB
charging function does not work.
The battery life can last for one year normally.
We recommend the use of a long-life battery to ensure maximum
performance.
Power Adapter
Please make sure the power adapter is 5V 1.5A or above (Recom-
mend 5V 2A).
Restore Factory Settings
To restore factory settings, press TIME and button for 5 seconds
at the same time, after hearing DiDi sound, then all settings are
cleared.
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