- Bigblue 1800-Lumen Tech Light -High-Performance 1800 Lumen Dive Light for Technical DiversIlluminate the depths with the Bigblue AL1800NP-II Dive Light, designed for serious divers who demand power, precision, and reliability. Emitting an impressive 1800 lumens, this technical diving flashlight features a 10-degree narrow beam, making it perfect for deep dives, wreck explorations, and night diving.This high-performance dive light offers four adjustable brightness settings (1800, 900, 450, and 180 lumens), allowing divers to control their light output while conserving battery life. The built-in SOS function provides a crucial distress signal for emergency situations.Rechargeable Dive Light with Extended Burn TimePowered by a long-lasting lithium-ion rechargeable battery, the Bigblue AL1800NP-II underwater LED torch delivers extended burn times, ensuring you have the light you need for any dive. The color-coded battery indicator keeps you informed, so you never run out of power unexpectedly. Crafted from rugged anodized aluminum, this waterproof dive light is rated to depths of 330 feet (100 meters), providing exceptional durability against pressure, corrosion, and impact.Versatile and Compatible with Interchangeable Light HeadsDesigned for adaptability, the Bigblue AL1800NP-II scuba diving flashlight is compatible with interchangeable light heads, giving divers flexibility in different underwater environ