Does anyone have info on the SD03? No results are on here and nothing on YouTube either. I really love the sleek design to that diving light.
Welcome to BLF and thank you for your interested in Sofirn light. :partying_face:
The Sofirn SD03 adopts XM-L2 NW LED to deliver maximum 830 lumens. Designed with IPX-8 rated water resistant level, three-mode(High/850lm-Mid/350lm-Low/85lm). Made of 6061 aircraft-grade aluminum alloy, Premium Military SpcⅢhard-anodized anti-abrasive finish and better heat exchange. And double safety control function.
Hope this information is useful for you. 
Moreover, we will provide some discount of Sofirn light from time to time. Special code for BLF from Sofirn. New arrivals— C8A 2 light group and max up to 1747 lumens.
Oh hey it’s Tracy. Yea I was telling everyone here I really want to dunk all of your lights in 20’ of water and really test their waterproofness. There are zero reviews of the SD03 anywhere online and I am excited to attempt the dunk and other tests with it.