Canadian Orders Ship Free
BONUS INCLUDES 10440
Using single AAA battery, max 110 lumens, or 10440 Li-ion battery, max 300 lumens. Flat top, UNPROTECTED 10440 battery suggested. Some button top could also work, but some brands make the button to long, might cause a problem.
There is one tritium slot at the tail switch, 1.5*6mm size.