Odepro KL41 420 Yards 850 Lumens 5 Modes Tactical LED Flashlight Waterproof Handheld Lights - Outdoor, Camping, Emergency Flashlights LEDXM-L2 (U4) bead is mucn brighter than T6 and U2,lifespan is over 50,000 hours HANDHELD SIZE & EASY TO USE - Great for camping, hiking, fishing, running, dog walking, power outages, and emergencies. FIVE MODE SETTINGS - In just seconds, push the button to switch between three brightness settings (a blinding high beam,medium beam or low beam), a strobe setting or SOS setting perfect for emergencies to signal for help OVER-HEAT protection makes the KL41 prevent the high temperature from influencing the normal use WEATHER, WATER, & SHOCK RESISTANT - It's perfect for use in the rain, snow or emergency situations. It can be completely submerged under water for a short period. <span class="a-text-bold">Lamp Type</span>:CREE XM-L2 (U4) <span class="a-text-bold">Working Voltage</span>:3-4.2V <span class="a-text-bold">Current</span>:2.8A <span class="a-text-bold">Lumens (brightness) and Battery Life</span>:850 lumens (high runtime 2.5 hours) -310lumens (mid runtime 3.8 hours) -33 lumens (low runtime 30 hours) <span class="a-text-bold">Mode</span>:5 mode (highlight - medium - low - Strobe -SOS) <span class="a-text-bold">Irradiation Distance</span>:1312 feet <span class="a-text-bold">LED Runtime</span>:50,000hours <span class="a-text-bold">Waterproof Level</span>:IP68, can prevent rain and living water <span class="a-text-bold">Dimensions</span>:48.5mm(Head Dia.) x 25.4mm(Body Dia.) x 176.6mm(Length) <span class="a-text-bold">Flashlight Set Weight</span>:480g Do not aim or point it toward the eyes of yourself or people around you. Making sure the polarity is correct when charge the battery. 18650 batteries have a built-in circuit that protects the battery from over and under charging. When the battery is low, the light will start to flash on and off. Keep high power flashlight away from children.