From the Manufacturer
The Streamlight Sidewinder Compact is twenty flashlights in one! Engineered to meet a variety of hands-free task illumination requirements. Each LED features 4 levels of output intensities: Low (5 Percent), Medium 1 (25 Percent), Medium 2 (60 Percent), High (100 Percent) plus a Strobe function (100 Percent), Pull-to-turn locking rotary selector knob prevents accidental mode changes and allows selection of 4 illumination sources: White C4 LED, IR LED, Red LED or Blue LED; tactile indicator on rotary knob for IR LED position. Push button switch enables/disables selected illumination source starting at low output and progressing to highest output in 4 discrete steps, Double click button from off to initiate high output strobe of selected white or colored LED illumination source. Lithium battery allows for operation in extreme temperatures (-40F to 150F). O-ring sealed for waterproof operation, Meets MIL-STD-810F, Method 512.4. 2.4 oz. With lithium battery; 3.3 oz. With lithium battery and optional helmet mount. One year limited warranty.

Product Description
Streamlight 14105 Sidewinder Tactical Flashlight Featuring C4 LEDS with CR123A Lithium Battery, Green The Streamlight Sidewinder Compact is twenty flashlights in one! Engineered to meet a variety of hands-free task illumination requirements. Each LED features 4 levels of output intensities: Low (5 Percent), Medium 1 (25 Percent), Medium 2 (60 Percent), High (100 Percent) plus a Strobe function (100 Percent), Pull-to-turn locking rotary selector knob prevents accidental mode changes and allows selection of 4 illumination sources: White C4 LED, IR LED, Red LED or Blue LED; tactile indicator on rotary knob for IR LED position. Push button switch enables/disables selected illumination source starting at low output and progressing to highest output in 4 discrete steps, Double click button from off to initiate high output strobe of selected white or colored LED illumination source. Lithium battery.