5000 lumens berapa watt
Sale Price:$333.00
Original Price:$999.00
sale
watts = lumens รท (lumens per watt) What is the (lm/W) figure? lm/W stands for lumens per watt and is a unit measuring luminous efficacy and energy efficiency - how much visible light is produced for a given amount of electricity. yowai 5000 nen
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