hygger 24/7 Mode Submersible Aquarium LED Light, Full Spectrum Hidden Fish Tank Light with 3 Rows Beads 7 Colors Auto On Off Sunrise-Daylight-Moonlight, Adjustable Timer Brightness 8WDEFAULT MODE(24 7 Natural Mode): Gradient Orange light (sunrise) from 6 am to 8 am; Gradient White light from 8 am to 6 pm; Gradient Blue light (moonlight) from 6 pm to 10: 50 pm; The 24 7 lighting aquarium lights are off in other time periods. The overall default time period can be delayed or advanced DIY MODE: Full spectrum aquarium light also can change the time + brightness + color. Setting time(TIMER key): 3 kinds of time, 6h, or 10h, or 12h;