LED Downlights

LED Downlights have aluminium body and PMMA/acrylic diffuser

3W LED Downlights Ceiling Flush Mount -PL003.01

220V-240V
240Lumen
Aluminium Body PMMA Diffuser NoVoLED Driver
3000K-4000K-6500K Colors
IP23 Protection
Ø75mm Installation Cut Diameter

220V-240V
480Lumen
Aluminium Body PMMA Diffuser NoVoLED Driver
3000K-4000K-6500K Colors I
P23 Protection
Ø110mm Installation Cut Diameter

220V-240V
720Lumen
Aluminium Body PMMA Diffuser NoVoLED Driver
3000K-4000K-6500K Colors
IP23 Protection
Ø135mm Installation Cut Diameter

220V-240V
960Lumen
Aluminium Body PMMA Diffuser NoVoLED Driver
3000K-4000K-6500K Colors
IP23 Protection
Ø170mm Installation Cut Diameter

220V-240V
1200Lumen
Aluminium Body PMMA Diffuser NoVoLED Driver
3000K-4000K-6500K Colors
IP23 Protection
Ø182mm Installation Cut Diameter

220V-240V
1440Lumen
Aluminium Body PMMA Diffuser NoVoLED Driver
3000K-4000K-6500K Colors
IP23 Protection
Ø205mm Installation Cut Diameter

First, decide on color temperature from warm (3000K) to cool color (6500K). Please check the relevant information from Wikipedia
And then, how many lumens will you need? Generally speaking for each m2 you can take 100 Lumens.
Now that you know what lumen you have to use, by how many Led Downlights you will get that light output (lumen)

First find the exact place that you would like to install on a ceiling
Cut out a circle according to cut diameter indicated above. Use plasterboard saw preferably.
Put the wiring through the hole.
Install the downlight and fix it.