Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
I bought a reading lamp that on the box says: Max 1x40W
The shop also sold me an LED light bulb that says: 9W=75W
So my question is, can I use light bulb or not? I am confused between the 75W and the max of 40W mentioned for the lamp