75% of dark blue LED (450 nm) and 25% of super red LED (660 nm) November 27, 2020/by administrator https://tu-bu.com/wp-content/uploads/2018/01/tubu-logo-2.png 0 0 administrator https://tu-bu.com/wp-content/uploads/2018/01/tubu-logo-2.png administrator2020-11-27 07:10:472020-11-27 07:11:0475% of dark blue LED (450 nm) and 25% of super red LED (660 nm)