How can one little LED be so powerful? We're not sure we want to know what unholy magic Knog cooked up to pack so much power into the Boomer. We just know we love it. This little, water-resistant, silicone-bodied light can be clipped just about anywhere - your bag, shirt, pants, or the scruff of your neck. Plus, the Boomer's super-bright LED light boasts three different flashing modes and a steady one.