KLESCH K-2P Under Rail Flashlight w/ Strobe and Remote Switch

Function :Constant/Momentary/Strobe 

Integrated push-button switch and remote cable 

Output 500lumens 

Battery CR123A*2/16340*2

Size :76*36*47.5mm

Battery is not included

Rail Mount Remote Switch

Press 3 sec to change from constant mode to momentary mode

quick press twice to change to strobe mode