The Vello Selfie Trigger is powered by a 3 V CR2025
battery. To replace the battery, follow these steps:
REPLACING THE BATTERY
1. Turn the remote upside
down.
2. Push the locking tab in
the direction indicated by
the arrow, and pull the
battery tray out of the
remote.
3. Remove the old battery
and replace it with a new
one. Make sure the side
marked with a plus sign
(+) is facing up.
4. Push the battery tray
back into the remote
until it locks in place.