[ DOUBLE INTERFACES - USB C CHARGING & USB DISCHARGING ] This high power rechargeable flashlight LED high lumens is built-in a USB C charging interface and a USB discharging interface. It can be charged by any USB devices such as power bank, socket, laptop etc no matter indoor or outdoor. It also can be used as a power bank to charge your smartphone or earphone for emergencies by connecting the USB discharging interface[ LONG LASTING & POWER INDICATOR ] This super bright LED flashlight high lumens rechargeable supply 1pcs high capacity rechargeable battery, It can provide 8-12 hours of powerful, non-diminishing brightness. The 4-LED display shows the exact battery level (25%, 50%, 75%, 100%). You will know how long it will last and charge it in time[ ZOOMABLE & 5 MODES & ONE SMART KEY OFF ] : The most powerful LED flashlight rechargeable is built-in a smart button where the thumb is when you held it. Deep press to turn on or off. Press gently to switch modes. There are 5 modes: high,middle,low,strobe,SOS. Long press the button almost 3s to turn off, no need to cycle all modes. Push or pull the head to adjust the beams depending the situation you are, the floodlight is for near distance, spotlight is for far distance up to 3280ft.[DURABLE & WATERPROOF& COMPACT] The LED flash light rechargeable high lumens is made of aluminum alloy which is durable, shockproof and waterproof, it can work in raining day, snow day, storm day or other bad weather. As a compact handheld size,it is easy to carry and store. it is ideal for home backup,night reading or sudden blackout.It is also perfect for hiking, camping, dark walk, emergencies or other outdoor activities