The majority of applied light source are directional light source, during the conversion from non-direct to
direct light source there will be a loss of around 40~60%.
Brightness v.s. Height
Brightness v.s. Height
IP (INTERNATIONAL PROJECTION) followed by two numbers, e.g. IP65.
The first digit in the rating is the protection against contact and foreign bodies.
The second digit in the rating is the water protection factor.
Information in this document is subject to change without notice.
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Luminous Efficacy
