Battery Installation
When the device report the low battery message. The user should
replace the battery to new one.
The way to open the front cover please follow below steps.
1. Using a tool like (1) to press 1-1 till hear a click sound
2. Hold the front cover and pull back
3. Hold the front cover and pull up
Replace the new battery and install the cover back.
1. Put the front cover bottom to 1-1, and press down.
2. Push the front cover top to 2-1.
Choosing a Suitable Location
1. Don't let the device facing the window or the sunlight.
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