Questions about Beurer TL 50

I have the TL50. This one has only one brightness intensity. As I see it, the difference to the others is that you can also change the brightness on the others and they have a timer function, after which the lamp switches off automatically after a certain time. The TL100 can also be operated with a smartphone. Then there is the form factor: the models with TLx5 are rectangular and the TLx0 round. All are suitable for light therapy. If the design (round or rectangular) doesn't matter, I would go for the TL100, simply because it offers the same features as the TL95, but is currently much cheaper. You don't have to use the smartphone converter support if you don't want to.

It is always written under the review if "This review was created for another variant".

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TL most likely stands for daylight lamp and the number behind it is the specific product. The difference is the additional functions such as alarm clock, timer, dimming etc which come with the more expensive products. I use mine in the office, so the TL 50 is enough for me, but if you want to use it as an alarm clock, you should go for the TL 100.