The Ledlenser MH11 is a rechargeable outdoor headlamp with Bluetooth, so you can customise its settings in the Ledlenser Connect app. It gives up to 1000 lumens in Boost mode and 750 lumens on Power (about 4 hours, 300 m beam), down to 10 lumens on Low for about 100 hours. Optisense technology adjusts the output to the surroundings, and the Advanced Focus System lets you switch between a wide flood and a focused beam. Besides white light it has red, green and blue LEDs, useful for fishing, hunting and keeping night vision. The lamp head can be removed and used as a separate light, and the variable pivot can point the beam upward. The built-in 3200 mAh lithium-ion battery charges with the magnetic cable (included), and a battery indicator shows the charge. It weighs 179 g and is rated IP54.