# Enduring Brilliance: Unveiling the Streamlight Nanolight with Impervious LED Technology The Streamlight Nanolight features a 5mm White LED that is impervious to shock. It has a 100,000 hour lifetime so it will never need replacing. This light has a run time of up to 8 hours of declining usable output and machined aircraft aluminum construction with a rotating on/off head switch. Includes a non-rotating snap hook and 4 IEC-LR41 coin cells. This super-bright miniature, take anywhere with you flashlight attaches to just about anything from a key chain to a coat zipper or D-ring. --- ## Product Details - High Lumens: 10 - Run Time: 8.00 hours - Battery Type: LR 41 Alkaline Button - Battery Quantity: 4 - Length: 1.47 inches (3.73 centimeters) - Weight: 0.36 ounces (10.21 grams)