Big Blue 1300 Lumen Focusable Dive Light Upgrade1300 Lumen Focusable Dive Light Upgrade The CF1300P is a versatile light for any diver. The variable 7 37 beam is perfect for divers who may need a narrow beam one day but something softer and wider the next. From quarry to the Caribbean, this light will give you all the functionality you could need. 1300 Lumens at 6500K color temperature A variable 7 37 beam angle which can be changed on the fly by twisting the bezel The rechargeable lithium ion