... tunnel light,energy saving,environment protection. 2.High conductivity aluminum radiator. Feature:energy saving, environmental protection, green, ... life of up to 10 years;High conductivity aluminum radiator;AC wide input voltage regulator constant current driver ... ×268×210310×268×210427×268×210427×268×210MaterialHousing: aluminum die-casting, stainless steel reflector ,high light transmittance lens ...