Weltool W5 Thunderbolt 699lm 2807m LEP flashlight

Features:   Material: aluminum alloy, black hard anodized Reflective system: double convex lens Beam divergence angle: 1.8° Light source: special LEP module, wavelength 400-700nm, lifespan is about 10,000 hours Output:   Low Model Hight Model Light Output 198 lumens 699 lumens Beam Intensity 680,000 candela 1,970,000 candela Beam Distance 1,649 meters 2,807 meters Runtime(2*22500 batteries) 5 hours 1 hours 25 minutes Runtime(2*21700 batteries) 9 hours 5 minutes 2 hours 45 minutes Test environment: below 25 degrees Celsius, continuous work outdoors with breeze (ambient temperature will affect battery life). Battery type: use 2 22500 or 22430 Li-ion batteries; use 2 21700 Li-ion batteries after adding extension tube Switch: side-press electronic switch with lock function to prevent accidental touch High efficiency constant current drive circuit, no noise and no PWM Temperature control protection: When the temperature of the flashlight is too high, the flashlight will aut