The highly anticipated CMR-201 Rail Master Laser Sight is an instantly activated universal laser sight for Picatinny or Weaver rail equipped pistols and rifles. The CMR-201 marks Crimson Trace"s first universal fit laser sight and built with the industry leading quality, ergonomics, and fit. This product features a Coyote Tan Cerakote finish. This new color not only adds a custom look, it also protects the product from chemicalsFeatures:- Platform: Universal - Material: Polymer - Attachment: Accessory Rail Attachment - Activation Location: Switch Activation - Sighting: Factory Sighted at 50" - Battery Type: One 1/3N Lithium Battery - Laser Battery Life: Over Four Hours - Laser Output: 5mW Red Laser - Activation Mode: Instant Activation - Laser Visibility: Approximately .5 Inch Diameter at 50 Feet - Wrench Size: 0.05 - Finish: Polymer Housing - Installation: User Installed