The SPERAS P4 is a high performance LED flashlight with 4000lm max output that utilizes 3pcs imported OSRAM LEDs. Users can switch between the 7 brightness settings. Powered by a 21700 Lithium 5000mAh battery, a maximum runtime of 167H can be achieved. It’s an ideal flashlight for searching, rescue or other outdoor activities with the compact size and functional user interface. With the Lockout function, users can be assured that the flashlight will not unintentionally power on when put in the pocket or bag.