The Konus Konuslight-2K Rechargeable Flashlight/Lantern is a perfect combination of power and portability. Despite being very compact (12.5 cm) it features a 1000 lumens output that can also be enhanced to 2000 lumens for a 40 second period if you simply push a button, this giving you the possibility to generate enormous light intensity while also minimizing the battery consumption. Also equipped with side lantern with 500 lumens output. a Rechargeable Flashlight With 1000 Lumens Output And 2000 Lumens Turbo Mode a Rechargeable Lantern With 500 Lumens Output a With Strong Magnetic Base And Metal Clip a Built-in 18650 Lithium Battery a 4 Flashlight Modes: 100% - 20% - Strobe - Turbo a 2 Lantern Mode: 100% - 20% a Usb Cable Included a Duration Of 2000 Lumens: 40 Seconds a Battery Life: 4 Hours a Time Required For Charging: 4 Hours