According to the guide on aquarium co-op the 24 inch variant is medium/high light
here's the link to that guide
LED Aquarium Lighting - Aquarium Co-Op
WWW.AQUARIUMCOOP.COM
One of our most asked questions is, which LED Aquarium Light should I get? In this quick guide I'll give my recommendations. Definitions: Low light = Undemanding plants, Anubias, Crypts, etc. Medium Light = Stem plants...