Have you looked into MVBs? I've linked the brand and type I used for keeping both bearded dragons and uromastyxs. Full disclosure, it's been a few years since I had either, but when I did have them they lives comfortably in 4x2x2 enclosures with one of these and a tube UVB bulb to cover 3/4 of the encosure. MVBs put out a lot of heat, so you can really perfect a basking spot, and it helps with ambient temps.
Now as far as the enclosure you linked, I don't know that I'd keep a bearded dragon in there, but that's just me. The picture you linked looks like a PVC enclosure, and I prefered to keep mine in Zen Habitats' wood panel enclosures. They have huge screen tops that provide plenty of circulation that you really need when you're keeping something at the tempratures a beardie needs. Just my 2 cents though, I'm sure you can make this work, but wanted to offer an alternative.
https://www.chewy.com/zoo-med-powers...iABEgL2SPD_BwE
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