Under normal use, the battery in the transmitter will last about 2 years, form battery replacement, use a Panasonic 3 volt, type CR2032, or the equivalent.

1. In order to open the transmitter case, perform the following steps:

1.1.	Insert a dime between the two halves of the transmitter near the key ring hole.





1.2.	Twist the dime.




2. Remove the battery.

1. Install the battery with the (+) side down.
2. In order to close the transmitter case, perform the following steps:

2.1.	Align the top and bottom covers.

2.2.	Snap together the top and bottom covers.

2.3.	Inspect the operation of the transmitter.