VC
TX
Slide battery cover backward, and open battery compartment.
According to positive and negative indicator on the battery
compartment, install two AA batteries (not include) or two 1.2V
charging battery (not include).
Caution: If the devise is going to be out of service in long
period, please take out battery. When battery is low,
replacing two batteries together will prevent from miss fire
or no fire.
