3 x Cree XM-L2 LED brightness up to 2800lm normal user 1200lm 600lm 200lm 3-mode strengthen mode and fast strobe mode; Quick access to special mode: long press the side button to enter strengthen mode under any state; Quickly press the side button 3 times to enter fast strobe under any state; Aviation aluminum housing durable and resistant to shock high luminous transmittance acrylic lens; Flat bottom for placing vertically with strap hole; Waterproof rate: IPX8; Operation: Single press: enter the memory mode; Quick press twice to adjust mode: 200lm / 600lm / 1200lm; Press the side button to enter turbo 2800lm under any state; Quickly press the side button 3 times to enter fast strobe under any state; Notice: Release the button from turbo mode pre-mode