hygger Clip On 24/7 Lighting Aquarium LED Light, 14W Sunrise-Daylight-Moonlight and DIY Mode, Adjustable Timer / Brightness Fish Tank Light with 7 Colors for Planted TankDEFAULT 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;