Loads of dangerous (ce marked) kit from the Internet, have a look on big Clive. Com he tears down a lot stuff.
I'm not sure I'd want a DIY light on the outside of my apartment and if I was the landlord then I'd pursue for costs to repair the damage to the structure
They will/should default it for a call out fee, no company will disclose their engineering codes for obvious reasons.
Alternatively post your location and someone on here may be able to offer a service/default.