The Bigblue CF450 light has been upgraded to 450 lumens, making it even more powerful. With a focusable beam angle and a magnetic on/off swivel switch, this light offers convenient and reliable operation. Made with durable aluminum alloy construction and featuring a double O-ring seal, it is built to last. The light is available in multiple colors and comes with a 3AAA battery holder and adjustable lanyard. With a CREE LED and a burn time of up to 4 hours, this handheld light is perfect for underwater adventures.