This penlight gives you up to 200 lumens in just 55 grams and 15 cm. The lantern has a switch at the end of the lantern, which you turn it on and off with. The lantern can be easily attached to the shirt or trouser pocket with the clip that comes with the lantern. The lantern is rechargeable with a Li-ion battery of 600 mAh. The lantern is produced in aluminum and has 3 light levels. The lantern naturally has Ledlenser's patented Advanced Focus System.