Perfect complement to Ruger's small and easily concealed LC9, LC9s, and LC380 pistols; Dual activation capable with either GripSense; Activation or controlled push button; GripSense Activation does not alter your grip; 100 Lumen Mint Green light; External Battery Access Door with tool-less entry; Easily programmable for steady or high-visibilitypulsed laser beam; Ambidextrous TAP ON/TAP OFF switch reinforces safe handling; GripSense Technology works with gloves; Fully adjustable for windage and elevation