Shell Material: SS304 stainless steel (standard), SS316 stainless steel (optional). 

Tempered Heat-resistant Safety Glass: High light transmittance  toughened ultra-white glass, 94% light transmittance, high hardness, no fragile, and more durable. 

LED Light Source: Cree/Osram/Lumileds/Epistar/Epileds. 

Heat Dissipation Structure: Integrated heat dissipation structure design, patented heat conduction system, built-in overload and overheat protection device, adaptive power output, high-quality high thermal conductivity PCB substrate, thermal conductivity ≥2.0w/MK.

Waterproof Structure: The sealing ring is made of anti-aging silicone rubber material, patented sealing technology, a special sealing structure to meet the requirements of long-term underwater use, and waterproof grade IP68. 

Cable: Underwater special JHS cable.