1. Opetional wattage: 20w 2. Opetional voltage/frequency: 110 to 130v or 220 to 240v, 50Hz 3. Optional color temperature: Yellow/Blue/Green/Red/Daylight/Warmwhite 4. Optional base: E27/B22 5. Average life: 6000hrs/8000hrs/10000hrs available. 6. Optional packaging: Blister/Color box/Color box+PET available. 7. Certificate of the system of quality certification: CE/ROHS/EMC/ISO9001/GS etc. |