Features:LED option 1: OSRAM white light LEDMoonlight: 1 lumen; 40cd; 13 meters; 185 hoursLow: 20 lumens; 2100cd; 92 meters; 46 hours Med: 150 lumens; 15000cd; 245 meters; 6 hours 45 minutesHigh: 310 lumens; 33000cd; 363 meters; 2 hours 40 minutesTurbo: 760 lumens; 79000cd; 562 meters; 2.5 minutes Strobe: 760 lumens; 1hour 10 minutes Max. output 760 lumens Max. runtime: 185 hoursMax. beam distance: 562 metersPeak beam intensity: 79000cdLED option 2: OSRAM green light LEDMoonlight: 1 lumen; 50cd; 14 meters; 185 hoursLow: 25 lumens; 2800cd; 106 meters; 46 hours Med: 190 lumens; 20000cd; 283 meters; 6 hours 45 minutesHigh: 420 lumens; 44000cd; 420 meters; 2 hours 40 minutesTurbo: 1050 lumens; 114000cd; 675 meters; 2.5 minutes Strobe: 1050 lumens; 1hour 10 minutes Max. output 1050 lumens Max. runtime: 185 hoursMax. beam distance: 675metersPeak beam intensity: 114000cdLow Voltage Warning:Voltage ＜3.1V, the brightness level downshifts to LowVoltage ＜2.9V, twice flashVoltage = 2.7V, turn offMade of durable aerospace-grade aluminum alloy Premium type Ⅲ hard-anodized anti-abrasive finish Highly integrated tail switch switch for all easy operationKnurling and polishing finish provide a secure gripMultiple LED, multiple brightness and light rangeStrobe setting that can disorient an attacker or serve as a distress signalStreamlined body with slim head designLow battery voltage warning with flickeringLockout mode to prevent accidental activationIntelligent highly efficient circuit board design for max. performance and long run timeIntelligent temperature controlled light output for user safetyUnderwater 2 meters submersible1 meter impact resistanceWarning1:Unauthorized disassembly may damage the flashlight and void the warranty.2:It is normal if the surface heat is increased during use due to the excellent thermal conductivity technology. It is suggested to use in a well ventilated area with ambient temperature.3:Caution hot when using continuously for a long time. Do not put it on flammable materials for a long time, any fire or any safety problems caused by this will not be relatedto the manufacturer and distributors.4:Please check and replace the O-ring regularly to maintain the waterproof rating.5:Please check and lubricate the threads regularly with professional lubricant.6:Clean the contact surfaces regularly to keep the flashlight normal operation. If irregular strobe or failure to turn-on occurs, the contact surfaces may be dirty and requires cleaning by using alcohol cotton swabs.7:Remove the battery from the flashlight during long term storage.8:This flashlight is not intended to be used as a diving light.9:Do not aim the flashlight directly at eyes. Users must be over 18 years of age. Keep out of the reach of children.