BRIGHT FLASHLIGHTFlashlights high lumens equipped with an LCD real-time battery level display, which provides a clear and accurate reading of the remaining flashlight battery power. Rechargeable flashlights is equipped with Upgraded Long Beam LED Chip. USB RECHARGEABLE FLASHLIGHTTactical flashlight built-in fast charging chip, twice as fast as the charging speed of ordinary USB flash light. This led flashlight can work about long-lasting time on a single charge with circuit protection, such as overcharge protection, over-discharge protection, over-voltage protection, short-circuit protection, etc.