With the ultra-compact ML4 lantern, you can take the bright area lighting anywhere you go. The ML4 only weighs 2.5 ounces, is less than 4 inches long and has a carabiner hook so you can clip it to practically anything. Thanks to Ledlenser Micro-Prism technology, the ML4 provides efficient, glare-free and targeted lighting up to 300 lumens. It has 3 power modes of bright, white light and 2 red light modes as well as blink mode. It is powered by an included rechargeable battery but offers Dual Power Source, meaning an AA alkaline battery can be substituted when a power source isn't available. The ML4 offers a unique magnetic charging system that makes for more efficient charging that withstands the elements. The on/off button also acts as a battery status indicator, letting you know when it’s time to charge back up.