BATTERY INSTALLATION
AA Battery
1.Remove the battery cover.
2.Insert 4 new AA batteries according to polarity marked inside
the battery compartment.
3.Replace the battery cover.
Lithium Battery(Optional)
1.Remove the battery cover.
2.Insert lithium battery according to polarity marked inside the
battery box.
3.Replace the battery cover.
4.Micro USB charger for lithium battery.
You can use the laser level while charging.
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