The Sofirn SC13 (519A) is a tiny, mighty flashlight with high-output design. 1. High CRI 519A LED: We updated the regular version of SC13, the newest version uses a Nichia 519A LED to experience true-to-life colors. 2. Powerful Output: Emitting up to 1100 lumens, SC13 519A ensures bright illumination for enhanced visibility in various environments. 3. Compact Design: With its small size and lightweight build, SC13 519A is effortlessly portable, fitting comfortably into pockets or bags for everyday carry. 4. USB Rechargeable: SC13 519A powered by a 18350 battery, which can be easily recharged with included USB-C cable. Specifications 1.Emitter:1*High-powered LED 2.Battery Option: 1×18350 battery 3.Working Voltage: 3.0V-4.2V 4.Mode Operation: side e-switch 5.USB：Type-C charging 6.Material: AL6061-T6 aluminium alloy 7.Water Resistance: IP68 waterproof 8.Size: 28.5mm ( head diameter) *64.6mm(length) 9.Weight: 40g(without battery)