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

To replace another door contact.

Works sound, easy to use and it was easy to connect to the hub so no drama, only issue after 2 days battery run out, but flew the pound shop and brought some batterys, had it changed in minutes,since then sweet as a nut,

Replacement for faulty unit. Perfect.

Dropped my other one changing the battery & it broke. These are easy to fit & pair up with your control box.

Excellent! Fast delivery!!

excellent item - got on a special offer price

Added to the original control system with no issues.

Fast service, installed next day

Easy to install and add to the alarm system, instructions good. No problems since installation.

Did not work waste of money