The Streamlight Twin Task 3AA LED flashlight features C4 LED technology, with three ultra-bright white LEDs. This flashligh has two modes available: C4 LED and 3 LED. The C4 LED offers 40,000 candela peak beam intensity, 160 lumens and a 2.75-hour runtime. The 3 LED mode offers 2,000 candela peak beam intensity, 8 lumens and a 45-hour runtime. A push-button sequences through C4 LED, three ultra-bright LEDs and "off." This light is IPX4 rated for water-resistant operation. All openings O-ring sealed. Tested to 1m impact resistance. Comes with wrist lanyard.