Wurkkos DL30 Dive Light Scuba Diving - Dive Flashlight Super Bright Max 3600 Lumen with 2700K 90CRI 100m Underwater Flashlight for Diving IPX-8 Waterproof Submersible Flashlight with USB Charger

This my first 1st time buying a Wurkkos light and I'm pretty impressed.Great build quality! I really like the magnetic twist switch, very simple for the average user. Seems to be fully waterproof, I submerged it in a bucket of water for about 5 mins on high as a test and it worked well. I don't think i'll ever use it for "diving", but its nice to know that you won't have to worry at all if it gets wet or drop it in water. Since its a single-cell 21700 flashlight, its actually pretty small. The bottom is completely flat and can tail stand of you want (without the big lanyard). Speaking of the lanyard, its a nice big heavy duty one that is obviously meant for diving.Comes with a nice 5000mah 21700 battery. I measured it when it came and it was at 3.5v. I've had batteries come dead before from other sellers.Now for the performance.Brightness on high definitely outputs quite a bit of light. I measured them on my homemade lightbox and got around 4600-4700 actual lumens. NOT BAD.Not to mention that this light is 90CRI which is really good for color reproduction. It's really difficult to get a bright high CRI light and this light does exactly that.It does have some kind of thermal regulation, as once it hit 60-62C (measured with infrared temp gun) it steps down to a brightness in-between low and med after a minute or two. Also 60C is pretty hot to hold, but won't be a problem underwater. The flashlight body getting hot so quickly also means there is some GOOD heat transfer going on that can only be achieved by using thermal paste.The 5000mah battery it comes with tested very well on my hobby charger. (4980mah)As you can see in the pictures, there is quite a bit of flood. At night, the DL30 lights up everything in front of it while not having such an intense hotspot. So if you like flood, you'll love the DL30.I wish that this light had USB-C, but that would obviously compromise the waterproof-ness of this flashlight, so the alternative is to include an external charger. At least it uses micro-USB. It does charge pretty slow though, it would take about 6 hours to charge the included battery from 0%, so its more of an overnight charger. I can't really complain though as you won't need to charge it much.Pros:-Great Build Quality-Waterproof-Long Runtime-Bright (about 4600-4700 Lumens on high with included battery fully charged)-Underrated output (at least on mine)-Comes with great qualiy 21700 battery!-Very simple to use, Just twist.-Great quality light output(5000K 90CRI Samsung LEDs)-Thermal regulation to protect light-Comes with heavy duty lanyard-Comes with 18650 adapter (I have loads of them, although make sure to use "High-Drain" "INR/IMR" 18650s (15a at least) if you plan to use high!)-Very Good Heat Transfer to body of flashlight. (good for cooling and LED lifspan)-Comes with extra o-rings.-Can tailstand without lanyardCons:-Gets pretty hot before thermal regulation kicks in but will NOT be a problem underwater-Included charger is nothing special-A little on the expensive side if you don't plan to use it for Diving.-I prefer an orange peel reflector for a "softer" beam and this one has a smooth reflector.In all, these cons are very minor.

This is a great emergency flashlight, especially during a power outage, or if you have a boat. Even if you don't use it to dive, the water resistance means you can count on it in bad weather conditions, which I like. Changing the power of the beam is extremely easy, you just rotate the ring. It can go brighter than I typically need, so my guess is you'll be using the lower power settings more than you think.The battery lasts a very long time before needing recharging, too.I like that I can hand this light to anyone in my family and they can operate it without me having to explain it to them. This is also extremely important in an emergency situation as well, and often overlooked when choosing a flashlight.This is a standard size, handheld flashlight, and it may be bulky for some. If you're looking for the smallest flashlight on the market, this is not it. But, it's not so bulky that you can't drop it in a pocket when needed.

Bought two of these, one for me & one for wife. Both worked as expected no issues or problems. Puts out a decent amount of light. Seems durable. Unfortunately, wife lost hers by accident while boarding boat after night dive due to dive boat deck hand being in too much of hurry. Not flashlights fault.

This is an absolute excellent light for diving! It gives off a great light and lasts a long time. I often keep it turned on for an entire dive without issue! The battery needs to be removed to be charged but that is not a big deal. This actually performs better that sone of the $150 or more lights I have used!

The real test of a dive light is in shallow water. This little beast illuminated the nooks and crannies perfectly at Blue Heron Bridge. Extremely bright and easy to clip on your bc. This is also a great light to use in-home as well, as it really lights up the night. I highly recommend this light.

This flashlight is extremely sturdy and functional. There is a twist control to switch from three levels of brightness. It has a hefty 21700 battery which will give tons of battery life. It is also waterproof and easy to operate under water.

I found no problems with the fit and finish. The battery charged right up over night, with the supplied charger. Had it down to 46' and did not leak.

I bought this light for a trip to the Galapagos. Loved the size, the different settings and brightness. Cleaned it after I got home and stored properly without the battery. Recharged it for my next trip, packed it and when I went to use it last week it flickered for a second and shut off. Battery was completely charged and even put it on someone else's charger to check The charge. Really disappointed.