The Related Parameters:

Model: KR108B 
Lens Material: High Borosilicate Optical Glass 
Gasket Material: 304 Stainless Steel
Ring Material: High Quality Silica Gel
Working Temperature: -70℃/+450℃ 
Power: 10W-300W Light 
Transmittance: 92.8% 
Application: Street Lights, Tunnel Lights, etc