Be careful, this model is not the standard model :
http://ereader-store.eu. The firmwares given in this forum couldn't be used with the ArtaTech model :
https://onyx-boox.com/, they are only for the standard model. ArtaTech makes their firmware and lock the firmware update with a specific password.
If you want a light, take only the light.
About the place where to buy, read this thread :
https://www.mobileread.com/forums/sho...d.php?t=172797