LED Lenser - K3 Mini Flashlight, Black PERFROMANCE SPECS: 15 lumens, max distance 35M, max battery life 1H 30M, water resistance rating IPX4. BLUE MOON FOCUS SYSTEM: The blue components are projected to the edge of the light cone and the result is an excellent, clean white light to read by with a mellow blue circle to frame the reading area. Blue Moon optics make reading and general viewing easy on the eyes for less eye fatigue. COMPACT AND LIGHTWEIGHT: Weighing a mere 1.2 ounces and measuring less than three inches in length, this mini flashlight may be small - but don't let the size fool you. Perfect for walking to and from the car, home or office at night. 5 Year Warranty!