• Default mode (24/7 natural mode)

hygger 990 aquarium light default mode includes sunrise-daylight-moonlight 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 during other periods.

The overall default period can be delayed or advanced.

• DIY mode

Full spectrum aquarium light is composed of time + brightness + color.

①3 setting time (TIMER key): 3 kinds of time, 6h, 10h, or 12h;

②5 Brightness : 10%-25%-50%-75%-100%-75%-50%-25%-10%；

③7 Color (ON-OFF / M key): White, Red, Blue, Green, Purple, Orange, Cyan, Cycle Color (No Brightness / Timer Selection).

• New upgrade