Update USB rechargeable flashlights: LED flashlights can be charged directly with our standard USB cable, powered by laptops, car chargers, mobile power supplies, etc. The flashlight will turn into a red light. When the battery power is low, the flashlight low power warning function. Approximate size: 13.5*2.5cm.(The size is for reference only, the actual size shall prevail) IPX6 Waterproof and Advanced Design: This rechargeable flashlight adopts an IPX6 waterproof design, suitable for extreme weather conditions, from heavy rain to dry and dusty environments. Lightweight and easy to grip, it is always ready to use when you need it. Super bright and 4 brightness modes: with high/low/strobe/SOS mode. Press the button to change to strong white light; press the second time, low light; press the third time, enter the strobe mode; press and hold the button for 3 seconds to enter the SOS mode. Focusable flashlight: The flashlight adjusts the diameter of the light through the top, the light either becomes smaller and more focused, or larger and less focused but illuminates a wider area. What you will get: 1* rechargeable flashlight, 1* USB data cable, 1*18650 rechargeable battery, 1 flashlight packaging box. When removing the battery, please pay attention to the position of the positive and negative poles when installing the battery.