The noise level less than 35 dB, generally can be used for more than 15 years. Lighting & ceiling fans with Remote has speed control and timing function. Turn back on the light more than 7 seconds after turn off the light, color temperature will be same as last time.LED ceiling fan match with 24-watt LED light. Pressing the ON/OFF button on the remote control continuously can change the color temperature from cool white (6000K) to warm white (3000K) to natural light (4000K). The reversible ceiling fan allows you to switch the direction of the indoor ceiling fan from downward airflow in summer to upward airflow in winter, to reclaim lost heat from the ceiling and reduce energy costs.