Material:ABS plastic+ps lens 1W light usage:camping ,fishing ,outdoor Specifications: 1).Using a 1PC high ... brightness, irradiation range of 40 meters. 2).three functions: strong light, AnGuang, blink. 3).Product size 73* 55 *62 mm,weight ... ).Multi-function 1LED LIGHT→3LED LIGHT→7LED LIGHT. 11).Use3*AAA Batteries not included. 12).Best to keep one in your backpack, car, tackle ...