Material:diecast aluminum housing,stainless steel bracket. 
LENS:PMMA     
Power: 20W(1pcs*20W LED)  
Beam angle:spot 
Operating Volt:10-30Volt DC 
Light output about 2000lumen 
Color temperature:6500K 
Working Temperatur:-40°C~85°C   Waterproof rate:IP67 
Lifespan: 30000 hours