The Night Master IC tail cap has been made to be used with the IC range of LEDs for the NM400, NM800, and XSearcher models. It is a simple forward clicky tail switch, click to turn on, click to turn off.
With the light on, you can use the intensity control (IC) rotary switch around the tail-cap to reduce and increase the brightness, by twisting it either left or right. Once a brightness level has been chosen, the remote switch memorises that level and will activate at the level every time you switch on, unless a new level has been chosen or the tail-cap is removed from the torch.
The IC tail cap comes into its own when you have set the beam for a particular range but actually want to shoot something much closer. The fast brightness control means you can make a quick adjustment.
Note: The IC tail cap only works with the IC LEDs and does not operate properly with standard Night Master LEDs. Night Master created the IC LEDs to function with a rotary dimmer switch.