IV. Battery installation
• The product is powered by 1x AAA battery.
• Open the battery cover, and insert 1x AAA battery into
the battery holder.
• Battery negative(-) is left and positive (+) is right as below
• Put the battery cover back into position.
Note
1. Do not insert battery into the device in the wrong direction.
2. Do not leave bad or exhausted battery in the device
3. If you do not use the device for a long period of time,
remove the battery to avoid possible damage from
battery corrosion.
4. If the device does not function correctly or if the
operating range becomes reduced, replace the battery
with new one.