Yale EF-DC Easy Fit Alarm Door/Window Contact, White, DIY Friendly, Accessory for SR & EF Alarms, Suitable for Main Access Points

second purchase of these additions for my alarm system, easy to install and set up, no problems as long as you get the 2 components as close as possible without them damaging each other.

Perfect for our Yale alarm. Easy to fit and does exactly what it should

Easy to install and add to existing home system.

Great device. Easy fitted easy configuration

Prodotto di buona fattura ma estremamente costoso.

these addons to my system were easy to fit and work perfectly as does the whole system would recomend

do the job

I wanted to add to the current system. I saw, I bought, it was delivered, its fitted. I would buy from here again.

To replace another door contact.

Added to the original control system with no issues.