Provides 350 lumens of light and a beam distance of at approx. 360 metres. Completely waterproof with IP67 protection on. Pistol trigger grip that is TPR coated for no-slip function. Supplied with 12V DC charger. Powered by 3.78V 2,200 mAh 18650 battery with overcharge protection and charging indicator. Switch with locking function and 4 settings; high brightness, low brightness, S.O.S. (flashing alert), and off . Also rear red flashing alert by pressing and holding switch until activated. Supplied with lanyard for secure attachment to prevent loss overboard. Also, supplied with whistle for sound signaling.