BlackT Electrotech (BT51D2) Wireless Door/Window Sensor Alarm System Kit – Home Security Entry Detector for Doors & Windows with Remote Control & Panic Function

Price: ₹1,500 - ₹948.00
(as of Jun 11, 2026 04:43:46 UTC – Details)

From the brand

BlackT’s Safety & Security

BlackT’s Safety & Security

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🛡️ [Comprehensive Instant Security]: Protect your home or business with an immediate alarm that sounds when the door or window contact is separated
🔑[Full Remote Control Functionality]: Manage your security effortlessly using the remote: utilize the Arm button to activate defense, the Disarm button to silence, and the Emergency/Panic button to trigger the siren instantly. A dedicated Voice Switch controls the sensor’s sound output.
🏠 [Versatile Applications & Use]: Ideal for securing residences, apartments, garages, sheds, RVs, and small offices. Use the special CHIME Zone to welcome customers or notify you of children entering and exiting.
🚨 [Customizable Defense Zones]: Easily select your desired security level using the remote, switching between Normal Defense Zone (full arming), Independent Defense Zone (partial arming), and a critical EMERGENCY Defense Zone (always armed, triggering an alert regardless of host status).
🧘 [Enhance Peace of Mind]: This system actively monitors vulnerable entry points, transforming your space into a secured environment. By offering quick alerts and customizable protection, the BT41D2 allows you to live with greater confidence and reduced worry about intrusion.

Product summary

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