actual item may vary slighty from image
U Caller Night Eye Scopemounted Variable Power 140/170 Lamp
The variable power switch is inline on the cable,12cm from the plug so it can be fitted to the top of the battery pack.
Benefits of variable power:
Adjust the brightness to suit the situation.
Turn the power down and use as a torch.
Extend battery life.Our ref: WLUNCVP1*0SM