I must admit that I did not pay when ordering it, how big is this lamp. Therefore, I also looked a bit irritated, as I have to own the supposedly small carton. So rather skeptical, I unpacked and looked to see whether my hand fits into the lamp. Compared to my previously used UV lamp, this is really small. But what can I say, the hand fits. I have now twice geutzt for nail fashion situation and am super happy. I need only half the time. My UV lamp has only one 2min. mode, now I use the 60 sec., And go great with it. Whether it would go well in 30 sec., I have not tried yet.