Zadro Health Soultions Nano UV Wand Manual De Usuario página 10

Insert a flat-head screwdriver into the slot located
at the end of the unit (opposite to the power source
plug) then tilt the battery lid to open.
Remove depleted batteries and replace with new
ones. Position batteries according to the placement
guide in the battery compartment area.
Place battery compartment lid back onto unit and
press firmly to lock the lid back into place.