Importance of Color Rendering Index
Color Rendering Index (CRI) is a measure of the ability of a light source to restore the true color of an object, ranging from 0 to 100. For a swimming pool environment, a higher color rendering index means:

1. More accurate color recognition: for example, it can ensure that lifeguards can clearly identify the status of swimmers
2. Better visual experience: for example, it can improve the viewing effect of underwater landscapes
3. Higher safety: for example, it can help swimmers accurately judge the position of the pool bottom and pool wall
When the CRI of the pool light is lower than 80, the human eye's ability to distinguish underwater colors is significantly reduced. Therefore, it is crucial to choose a high CRI LED pool light and our personal safety.
Shenzhen Heguang Lighting Co., Ltd.'s pool lighting CRI range is 80-82,can totally meet the outdoor underwater lighting requirement. We also field test the brightness of different powers in the same pool as below :
Swimming Pool size : 15(Length)*5M(width)
Tested Power : 12W,18W,25W
Tested color: White and RGB
Tested CRI: 80
Tested result: bright and clear to see the pool

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