- Professional Optical Design, no visible dark spots on lamp, smooth and comfortable light effect >- High CRI, which is close to natural light >- Quick start with strong tolerance for variation in input current or voltage >- Useful life up to 20,000 hours; Lifespan is 10 times longer than CFL >- Strong heat dissipation achieved with advanced aluminium heat sink design used >- Easy plug and play installation >- Add dimmable function for just S$15.00 >- Warranty: one year warranty with lifetime after sales support; QC in Singapore.