We've been running three of the below Philips GU5.3 5W 76954500 spotlights in our ceiling for the past 5 years:
https://www.amazon.co.uk/gp/product/B00KTUZCB8/
They replaced 50W 12V halogen spotlights, each with their own transformer. We kept the existing 20+ year old toroidal transformers in...
Been looking to get a security system fitted. Found a reputable installer who seems fairly priced and happy to provide a complete 'no monthly costs' system.
He's suggesting a complete wireless setup with the Pyronix Enforcer (no HomeControl+).
We already have a wired sensor in the front door...