Easily analyze any
type of light from
your smart device

The application offers everything you need to evaluate, select, design and monitor horticultural grow lights, including a diary to monitor the daily growth of your plants.

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How it works


Download & install the app

Spectrum Genius Agricultural Lighting is available on iOS and Android devices and can be downloaded for FREE with the Lighting Passport Standard PRO and Flagship PRO. Visit the App Store or Google Play.

Connect with your Lighting Passport

With the powerful Bluetooth technology, connect your Lighting Passport spectrometer with your smart device and easily record precise real-time remote light measurements.

Take a measurement

Measure everything you need to know with Spectrum Genius Agricultural Lighting including PPFD, YPFD, Efficiency (%), R/IR, DLI and much more.

Five meters in one
powerful app

  • PAR meter
  • Lux meter
  • DLI meter
  • R/IR & R/B meter
  • Spectrometer

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The ultimate tool for lighting designers

Combined with the Lighting Passport spectrometer, Spectrum Genius Agricultural Lighting is the most versatile tool to improve your going efficiency.
Within a second, precisely measure the quality of your lights including the PAR Spectrum, PPFD, DLI, and much more.
Manage your horticultural activities more efficiently using the reliable readings from the Lighting Passport and SGAL.

Use the unique and intuitive Diary Mode to monitor the daily and weekly growth of your plants.

Spectral Genius Agricultural Lighting makes it easy to save and import your records.

Easily and rapidly compare two different grow light sources with the powerful comparison tool.

Share your measurements via your favorite social media including Facebook, Twitter, WhatsApp and many more.
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Analyze your readings for each wavelength

Spectrum Genius Agricultural Lighting allows you to evaluate your measurements, such as the PPFD, for each of the individual wavelengths from 380 nm to 780 nm.

Study your data within individual spectral range

The intuitive application offers the flexibility to easily analyze individual spectral range from 380 to 780 nanometer, such as IR, red, green, blue and UV.



Spectrum Genius Agricultural Lighting and the Ligthing Passport smart spectrometer are compatible with Android 4.4+ based devices, iPhone 4S, iPhone 5/5C/5S, iPhone 6/6+/6s/6s+/SE, iPod Touch 5, iPad Mini/Mini2, iPad 3, iPad Air and later versions.

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SGAL Specs

Discover all the key features of the app and how Spectrum Genius Agricultural Lighting can help you produce indoor plants with higher efficiency.

Measurement Mode
Diary, Single, Multiple

Measurement Capability
PPFD (400 nm ~ 700 nm), PPFD IR (701 nm ~ 780 nm), PPFD R (600 nm ~ 700 nm), PPFD G (500 nm ~ 599 nm), PPFD B (400 nm ~ 499 nm), PPFD UV (380 nm ~ 399 nm), YPFD (400 ~ 700 nm), YPFD (400 ~ 700 nm), YPFD (380 ~ 780 nm), YPFD R (600 ~ 700 nm), YPFD G (500 ~ 599 nm), YPFD B (400 ~ 499 nm), YPFD UV (380 ~ 399 nm), Original Spectrum, PPFD Spectrum, Weighted Spectrum, Efficiency (%), R/B, R/IR, DLI, Illuminance (lux), Peak Wavelength (λ), Dominant Wavelength (λD), CCT, CRI (Ra), CIE 1931/CIE 1976

Key Features
Photograph, Note, Auto Correction, Data Comparison, Smart Pass, Absorption Spectrum Reference, Import Refrence Spectrum, Social Media Integration
English, German, Traditional Chinese, Simplified Chinese

Meet some of our customers

Thousands of lighting professionals around the globe trust the Lighting Passport smart spectrometer and Spectrum Genius Agricultural Lighting.


SGAL APP is free with Standard Pro model