Saw

1
one

Press in the tab and remove the cover from the base.

2
two

Locate the batteries.

3
three

Gently remove the batteries.

4
four

Note the battery terminals (+, -).

5
five

Place new batteries in the device (AAA).

6
six

Note the hook on the back end of the device.

7
seven

Starting from the side with the hook, place the cover back on the device.

8
eight

Press in until you hear a click.