If one of us could say that, I'm sure it would already be in development. Sky Google or amazon will control the mass market for security, they will sell it better than any of us could. Then it will cycle round again, the insurers will be miffed, the police and we will still be around to carry on....
You would probably be better off using a wireless pir in the required location then lighting from your apartment. But a cheap led light probably won't cut it and you will likly need a narrower light output.
Mounting to the cladding has issues anyway ie grenfel but a decent fixing will be another anyway