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