BigBlue 450 Lumen Mini Dive Light w Batteries and Tail Switch SISTEMA on emaze. This BigBlue 450 Lumen Dive Light features a narrow 8 degree beam angle, perfect for illuminating underwater environments with precision. The push button tail switch allows for easy operation, making it an ideal back up light for divers. Its compact design ensures portability without sacrificing performance. Durable and reliable, this dive light is built to withstand the rigors of underwater adventures, providing consistent brightness when needed most. Perfect for both recreational and professional divers, it offers peace of mind in challenging conditions.