3 led cordless mining cap lamp 1.Super bright led bulb 2.Use button cell, replaceable; ... on caps, Hands-Free convenience Product Name3 led cordless mining cap lamp Item No.BT-1243Size55*48*30MM MaterialABSBulbLED Brightness11000-13000MCDBulb life ... camping, hiking, bicycling, mountaineering, search, and work. 3 led cordless mining cap lamp