Super Bright : Sofirn IF25A utilizes 4 x SST20 LED 6500K, giving out up to 3800 lumens, throwing up to 420 meters, makes it an all around flashlight for home, travel, and the great outdoors. | Compact and Durable: sofirn IF25A Rechargable Flashlight 3.49 oz / 99 grams and 4.17 inches/ 10.6cm long. Made by Aircraft 6061 grade-aluminum alloy. waterproof to IPX-8 for all weather condition and 1meters impact resistance tested. | Remarkable UI: sofirn IF25A uses the newer impressive Anduril UI, the same as BLF SP36. The flashlights has multiple brightness setting to meets most people's needs. Easily click to turn on, press and hold to ramping. | Advanced Technology Applied: Intelligent temperature control prevent overheating by reducing the output; Low Voltage Protection makes the light step down to a lower level when the battery is lower than 2.8V. | What You Get: 1x IF25A rechargeable flashlight, 1x 4000mAh 21700battery(inserted. please remove the isolation paper on the negative side of battery before using.), 1x USBC cable, responsive and helpful customer service, any issue, feel free contact us refund or replacement