Mine all 48" ers have had issue just past the 1 year warranty period. One has had half the red leds go out, another has stopped responding to the remote(yes i replaced the batteries). They also do not produce enough PAR for plant growth.
I would consider what you really want, the different modes are just about useless.
I would look for something that just has the ability to dim or, a night setting.
For what they cost i dont feel like i have gotten my moneys worth and when the 3rd one fails i wont be going back with Current Brand.