Option 2: Use a hex screwdriver to loosen the probes, and
connect to cables for more smart scenes.
* In order to ensure the dustproof and waterproof performance of the
product, the back cover of the battery must be tightened before use, and
the groove is at the same level as the probe.
* The antenna is right above the water drop icon.
Battery Replacement
1. Insert a coin into the groove of the battery cover and turn
it counterclockwise to open the battery cover;
2. Put a new CR2032 button battery into the battery
compartment, and pay attention to making the side with
the"+" sign face out;
3. Close and tighten the battery cover, and ensure that the
groove of the battery cover is aligned with the metal
probes on both sides in a straight line;