... light source; high efficency LED driver; IP65 protection; high purity aluminum heat sink, reflector, housing 1.1.2 Reasonable ... , anti-humidity, and air-proof.1.1.3 Start quickly, high light efficiency, clear eye-sight. No flicker. Operate Safely. No ... be installed and used.1.1.7 High stability and No pollution. LED has a high stability, and it is a real ...