tampilan
5:09
How To Chose LED Bulbs | Kelvin, Lumens, & Watts EXPLAINED!
0:42
How to choose the right brightness when switching to LED
5:36
How Much Light Does My Room Need? Lighting Design | Lighting Calculation Formula
1:50
Lighting Wattage Comparison
1:21
Which Lightbulb Should You Buy? Think in Lumens
2:55
Put Aluminum Foil on Led Bulb Brightness Will Increase 100%
1:04
Lux Meter: Lumen, Intensity, Light Measurement App
0:24
what is the best type of lighting for the study or the office for working?
