This paragraph using high brightness white LED flashlight, small power consumption, high brightness and spectrum close to natural light, easily identifiable objects true color; shell using air-mg aluminum alloy materials, quality stable, anti-slip grooves unique design, feel good! Rugged prepared for the open country adverse circumstance; 3, 7th battery, offer superior battery life; button to switch the setting, use the more convenient LED life up to 100,000 hours, almost regardless of the replacement lamp problem