New Yale HSA 6600 App alarm system 👍 New and un used - all battery tabs intact 😁 NO INSTRUCTIONS - but readily available on Yale website 🥹 Highly effective and popular alarm system See photos for contents and spec Nearly all wireless excluding the smart hub which will need plugging into mains ( and or plugging into your WiFi … this will enable communication and control with your smartphone etc ) Can be simply expanded by adding readily available accessories ( max 20 in total ) All batteries and fixings included Fast , tracked post
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