Cloud Defensive REIN Single Momentary SwitchSingle Button Momentary White Light For shooters who prefer momentary on white light applications, but still want a small, low profile footprint for optimized space and ergonomics. A single press of the button will activate your light in a momentary only manor. Your REIN weapon light will only active while the button is pressed and will immediately turn back off once pressure is lifted from the button. Length: 1. 16 Width: 1. 23 Height: 0. 46 Cable