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 Modea Rechargeable Lantern With 500 Lumens Outputa With Strong Magnetic Base And Metal Clipa Built-in 18650 Lithium Batterya 4 Flashlight Modes: 100% - 20% - Strobe - Turboa 2 Lantern Mode: 100% - 20%a Usb Cable Includeda Duration Of 2000 Lumens: 40 Secondsa Battery Life: 4 Hoursa Time Required For Charging: 4 Hours