The Energizer TrailFinder LED Carabiner Clip light provides an easy way to keep light at your fingertips. The handy carabiner clip lets you attach and detach LED ® the light quickly. The TrailFinder Carabiner Clip light operates with an instantaneous on switch. It illuminates objects up to 23 meters away and provides ample light for checking a map or finding dropped items. It will provide 7.5 hours of continuous useable light with one set of 2 Energizer CR2016 batteries.