I have just purchased a laser from NEJE, they do a good range of power options and modules for either manual control or PMW, TTL with or without PSU

https://www.aliexpress.com/store/504...26fc4c4b6gdNuh

It arrived in under 10 days and was a good price / power, I will be using it on my desktop gantry router (designed for 43mm spindle), I have the powerful 40W double laser since I want to cut thin ply but if you are just engraving then

https://www.aliexpress.com/item/4000...1c4a71fdDLwDkH

would do the job.