Powerful and compact diving light made in Italy by SAVIMAR (Salvimar) Polycarbonate body 3W, 340 lumens, approx. 7,000 lux at 3.3 ft (1 m) of 3.4 x AA batteries (50 m) of continuous light and up to 17 hours of continuous light with up to 17 hours of continuous light Waterproof up to 50 m magnetic switch, Magnetic switch