Surefire Model MN32 Lamp Assembly for the 10X Dominator Flashlight 110 Lumen Long Run Lamp runs for about 90 minutes. This bulb increases the total light on the max setting and is at over 500 lumens. At 500 Lumens it will operate for about 20 minutes. When the MN32 is used simultaneously with the MN31, which creates the beam of over 500 lumens.
This item is discontinued by the manufacturer.