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Validation data from Extech light meter and sound and light sensors. Data presented as mean lux ± std.
| Test | Extech light meter | Sensor A | Sensor B |
|---|---|---|---|
| Location A | 3156.2 ± 106.1 | 1232.8 ± 92.6 | 1241.5 ± 93.2 |
| Location B | 11.8 ± 3.8 | 1.0 ± 0.1 | 1.0 ± 0.1 |
| Location C | 683.8 ± 29.6 | 371.1 ± 18.5 | 375.5 ± 22.8 |
