Lights are under 6 months old and still running great. No issues except color fading on bottom of light. This is not visible unless turned over and does not affect function. These lights have been kept clean and dry. They have the ability to ramp up and down, have a thundershower setting, rolling clouds setting, and a random setting. They also have the ability to be connected to up to 3 wave makers which have different settings as well. Only selling because I upgraded. current usa orbit marine aquarium led light. Condition is "Used". Shipped with USPS Priority Mail.