Scuba Diving - - SCUBALAB - ROGER ROY has been a diver for more than 35 years and Scubalab di­rec­tor since 2013. He first learned to dive while work­ing as a fire­fighter, train­ing to join the de­part­ment’s search-an­dres­cue team.

The lu­mens graphic shows light out­put in lu­mens with a full bat­tery and af­ter 60 min­utes’ dis­charge. The bar graphs show each light’s score for beam size and shape and light out­put, with scor­ing as fol­lows: 5= ex­cel­lent 4= very good 3= good 2= fair 1= poor

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