The Streamlight Stinger Classic LED flashlight features extremely powerful LEDs. The flashlight offers three microprocessor-controlled variable intensity modes and a strobe function. It delivers 390 lumens and 13,200 candela peak beam intensity on the high setting, 210 lumens and 6,500 candela on medium, and 100 lumens and 3,100 candela on low. Run-times range from six hours and 45 minutes on low to one hour and 45 minutes on high. Comes with either a three-cell, 3.6V Ni-Cd or Ni-MH sub-C rechargeable battery.