1. Adopt Philips/Bridgelux COB LED chip, CRI> 80/90 Ra, light efficiency: >100lm/W

2. Use Lifud/Philips brand driver

3. Adaptor: 1 circuit 2 wire(1 phase 2 wire), 3 wire, 3 phase 4 wire

4. Three- Five years warranty

5. CE RoHS certificated

6. Beam angle: 15/24 deg