As discussed in this thread
There are several variants of these 4 × 18650, super wide angle video lights with accessory red and blue led’s.
This ScubaBoard thread reviews these
However a new type has started popping up on Aliexpress / Banggood and I am intrugued by it
They have 1 large COB led, claiming 11,000 lumens
‘URANUSFIRE’ ( 
)
‘Tactical Underwater 100m LED Diving Flashlight Waterproof COB LED 10800Lumens Photography Video Fill Light Torch 4*18650 Battery’
Does anyone have any experience with these, or COB type LED’s ?
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Bought a light for scuba diving once. Do LED's contain nicotine?
In true “digging up an ancient post” spirit, did you ever end up trying the newer COB variant?
COB type leds are better to give more aperture when you video record. Its better a cob led with lens video light than without lens or cupule
Nice vid lights but extremely bad button design and floods easily despite a ‘plastic washer cut from take out box’ upgrade. Basically a plastic disc added in between button plunger and silicone seal. Replacing orings and buttons do help. Orig buttons is alu and orings is cheap silicone so put in stainless instead and some better fitting nitrile orings.
Underwater Macro Photographer, DIY-aficionado, O-ring fanatic and hoarder of red lights.
Dive mods: Fisheye Fix HG20DX, Fantasea Nano, 14500 Mini Mags, 4Sevens Atom A0 Red.