Check the listing for details. Viridian REACTOR TL Gen 2 Tactical Light for Glock 42. Condition: New. Listed at 69.99 USD. The Viridian REACTOR RTL taclight includes an ECR Instant-On custom fit holster with automatic light activation the moment you draw. No buttons, no squeezing, no doubt. When you draw, it's on. ---Fits: S & W M & P Shield ---Activation: ECR INSTANT-ON ---Adjustable: Windage/Elevation ---Application: Conceal and Carry, Law Enforcement, Military, Self-defense ---Battery Life (constant): 1 Hours ---Battery Life (strobe): 2 Hours ---Battery Type: 1/3 n ---Color: Black ---Holster Combo Pack Available: No ---Holster Included: Yes ---Laser Color: Green --- Long Gun Specific: No ---Lumens (constant): 100 ---Lumens (strobe): 140 ---Material: High Strength Thermo Molded Polymer ---Mounting: Trigger Guard ---Optics: LED Light Only ---Radiance Combat Optics: Yes ---Range: 25 yards ---Strobing Effect: Yes.