... In the literal and figurative sense! Quality is at the appointment both the design efficiency. Fueled with two LR20 batteries LED bulb is meteoric. Upon receipt, after dark, I tested the performance of the beam: amazing! I can confirm 366 meters announced but I can assure you it illuminates far far away! By expanding the beam, you see perfectly. The body is made of high quality aluminum, not plastic trace. Significant advantage: it is rainproof. Very good performance product. Last but not the price. Amazon is almost 50% cheaper than at the site of Maglite when I consulted before ordering.