USB Rechargeable: The LED flashlight(18650 battery inside) is charging by USB cable. It can be charged directly with our standard USB cable, power supplied by laptop, car charger, power bank and so on. The green light indicates the full charge and the red light indicates a weak battery. .Adjustable Focus: The flashlight adjust the diameter of the light using the top, adjusting it by turning clockwise or anti-clockwise. As you adjust, the light either becomes smaller and more focused, or larger and less focused but lighting up a wider area. .4 Modes and Super Bright: The LED torch have 600-Lumen, it provides you a much wider field of view for walking in dark environment and can zoom in to light objects far away. Features High / Low / Strobe / SOS modes. Please note that this flashlight has no memory mode. .Durable and Water Resistant: This rechargeable flashlight use IPX4-rated waterproof design for almost any conditions, from heavy rain to dry and dusty environments. Please do not put it into water directly. With durable aluminum body and shock-resistance endure rough handling. Light weight and easy to grip. .Multiple Function: The torch is used for camping, hiking, fishing, running, dog walking, power outages, emergencies, targeted searches and general household use. .