The KonusLight 2K has two working modes: sidelight and led top light. It produces a light beam of 1000 lumens which be increased to 2000 lumens for a period of 40 seconds. This model can also transform into a 500 lumens lantern with 100% and 20% power. Equipped with a strong magnet on the bottom, this light can firmly stick to any metal surface, even stick to a key, so it can free your hands. Includes USB cable that allows you to recharge it in 4 hours.