If you are living in the hot climate, you may connect a small PC cooler to the heatsink of the Led.
Because our climate is hot in summer the cooler is the beat way to increase the led efficiency and durability. It also saves the led from overheating - without cooled the temp on the heatsink is about 40-50 degrees C
With the cooler - 25-35 C
It is connected between the led driver and 3W Led
Read the notes to the photo