5730 SMD led bulbs used to be so popular because of high intensity. As the fast development of high power led chips and super bright SMD, 5730 SMD is replaced gradually. But as old product, these bulbs have been so mature on technology, it won't have big burnt-out issue after selling. Besides, 5730 SMD is multi-color. clients can choose many colors as they want, cool blue, cool white, purple, if you want special color retrofit, you get to buy 5730 SMD LED Bulb.