The Crimson Trace RailLight is the next generation in pistol mounted lights. Made of Aerospace Aluminum with no exposed fasteners in a snag-free design you will be hard pressed to find a better option. Our downward facing Red LED Walking Light will allow maneuvering without affecting your vision at night if needed. The Red LED Walking Light is independently enabled/disabled at the user's discretion and is activated using CT Motion shake to wake functionality. - SPECS: - FIT Universal Accessory Rail - LUMENS 1000 500 250 100 5 Variable Dimming - INSTANT ACTIVATION Yes - RUNTIME 1 Hour - MODES On (with presets) Off Adjustable Strobe Momentary - CONSTRUCTION Aluminum - WATER RESISTANCE IPX4