The UF-2220B Multimode flashlight from UltraFire is a powerful and reliable tool for any situation. With its special ED chip and super bright 1200 lumens maximum output, this flashlight provides exceptional lighting in any environment. Made from military grade 6061T aluminum alloy, it is sturdy and durable enough for daily use.The advanced design of this flashlight includes a skid-proof and water-resistant design, with the highest water-resistant level of IPX-6. This ensures that the flashlight can withstand harsh conditions and still perform at its best. The power source for this flashlight is a 1pc 18650 lithium-ion battery (not included).In terms of specifications, the UF-2220B features an UltraFire LED, with a voltage range of 3.7V-4.2V. It has a compact size of 15.6*4*4cm and a weight of 147g, making it easy to carry and use. The flashlight has 3 modes, with a gear sequence of strong light, low light, and flash. It can produce an output brightness of over 1200 lumens when using the 18650 battery.The internal wiring of this flashlight utilizes a high efficient booster circuit, allowing for a wide working voltage range and maximum utilization of the batteries. It also has a waterproof design, although it is not recommended to submerge it in water for more than 10 minutes. The lamp base is made from CREE, a high power LED with a lifespan of up to 100,000 hours or more, eliminating the need for frequent cap replacements.In summary, the UF-2220B Multimode flashlight from UltraFire is a top-of-the-line product that offers exceptional power, durability, and versatility. Whether for outdoor activities, emergency situations, or everyday use, this flashlight is a reliable and essential tool to have.