User's Manual

Replace Battery
Model: JW-1405
Step 1
Open the top Cover from the Snap gap.
Step 2
Place the CR2032 battery.
Making sure the negative side is facing down.
Step 3
Install strap like above picture.
Model: PB-1
Step 1
Open the bottom battery cover by counterclockwise
rotation.
Step 2
Install CR2032 battery.
Negative side facing down.
Step 3
Put back the bottom cover, clockwise rotation to close.