1. Wide power coverage: 36W-400W. 2. PF> 0.99; Ra> 83, THD 6% , average life time 12000h. 3. Sealed design, protection level: IP65 4. Constant power output, constant flux 5. Pure rare earth trichromatic phosphor; U.S. Chip with large capacity; ST FET 6. No strobe, no glare, low temperature start, wide voltage protection. 7. CE, ISO9001: 2000, SAA, QEC, EMC, CCC, CQC