Luminous efficacy — how cheaply you might light your house one day. | by Mark Ellse | Medium
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Lumens to Watts Conversion Calculator
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set of 2 LED lamps with 3 brightness levels, 14 W, 1,521 lm, 6500 K, F - PEARL
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Modee Lighting LED Globe A60 13,8W E27 360° 4000K (1521 lumen) ERP | Smoking ACC. International Ltd.
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Scegliere la lampadina giusta, una guida alla lettura dell'etichetta
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Lumens to Watts Conversion Chart for LED Bulbs
VT-23212: LED lamp E27, 15 W, 1521 lm, 4000 K at reichelt elektronik
