... decrease optical decay rate. 5.Adopt professional LED constant current power adapter:constant current drive, high efficiency of power, full range ... ~ 240 V9. frequency scope:47 ~ 63 Hz10.input current:80mA (@ 110Vac)11. total consumption:5W12. power factor: ... decrease optical decay rate. 5.Adopt professional LED constant current power adapter:constant current drive, high efficiency of power, full range ...