Price: ₹1,500 - ₹996.00
(as of Oct 31, 2025 01:26:27 UTC – Details)
Product Description
Blackt Electrotech BT51A Wireless Motion Sensor Alarm with Intelligent Welcome Doorbell
The Blackt Electrotech BT51A Wireless Motion Sensor Alarm is an all-in-one security solution designed to enhance the safety of your home or business. Featuring an integrated intelligent welcome doorbell, infrared motion detection, gate alert alarm, and a remote control for easy operation, this system offers comprehensive protection and peace of mind. Whether you’re at home or away, the BT51A ensures you’re always alerted to activity around your property, providing a modern, hassle-free security solution for daily protection.
Gate Alert Alarm for Extra Protection
The gate alert alarm function allows you to monitor activity around your gate or property boundary. When movement is detected near the gate, the system sounds an alert, keeping you informed about any potential threats or visitors. This added feature ensures that no one approaches your property unnoticed, providing complete perimeter security for your home.
Easy Installation for Instant Protection
The Blackt Electrotech BT51A is designed with ease of installation in mind. With no complicated wiring required, you can quickly set up the system and begin using it immediately. The wireless design ensures a hassle-free setup, so you can start protecting your property without the need for professional installation.
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Price
₹996.00₹996.00 ₹745.00₹745.00 ₹599.00₹599.00 ₹849.00₹849.00
Type
Motion Sensor + Welcome Bell Alarm + Door Bell + Window Sensor Simple Plug-in Door Bell Wireless Door Bell w/ Volume Control
Power
Battery Battery 230V Plug-in Battery TX + Plug-in RX
Sound
Alarm + Chime 120dB Alarm Standard Chime Adjustable Volume
Range
3–5m Sensor Short-Mid Long Range Long Range
Special
Motion Detect + Remote 4-in-1 Security Easy Plug & Play Stylish + Volume Control
Install
Wall Mount Sensor Stick-on, No Wire Plug & Use Plug + Mount
Best For
Shops/Gates/Entrances Security + Bell Basic Home/Office Premium Doorbell
🔄 [2-in-1 Functionality]: Can be used both as a security alert system and in welcome mode, offering versatility for different use cases.
🔊 [Flexible Volume Adjustment]: Choose from four adjustable volume levels (0 to 110 decibels) for personalized comfort and security.
🔍 [Sensitive Infrared Sensor]: Detects motion within an 8-meter range, enhancing security and providing alerts in various locations.
🚨 [Accurate & Effective Security Alert]: The 110-decibel alarm effectively notifies occupants of guests or intrusions, ensuring preparedness and peace of mind.
🏠 [Wider Range of Applications]: Perfect for front entrances, galleries, gates, walkways, apartments, offices, hotels, stores, and more.
🛠️ [Simple Installation Design]: Easy to set up—place the detector on a table or attach with double-sided tape for a quick and secure installation.
Customers say
Customers find the motion sensor alarm to be of good quality and easy to install. However, the functionality receives mixed feedback, with some saying it works well while others report it doesn’t work properly. Moreover, the sound quality and range are concerns, with customers noting the sound is low and the range is limited to 8 feet. The remote control feature also gets mixed reviews.