Yale EF-DC Easy Fit Alarm Door/Window Contact, White, DIY Friendly, Accessory for SR & EF Alarms, suitable for main access points & Duracell 2032 Twin ...
Yale EF-DC Easy Fit Alarm Door/Window Contact, Accessory for SR & EF Alarms
Yale Wireless DIY Kits | Securasound Limited
Easy Fit Standard Alarm - Kit 1 by Yale
Yale HSA6010 Door / Window Wire-Free Surface Mount Contact