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🚪🔔 Secure your sanctuary with a chime or a roar—your door’s new best friend!
The SECRUI Door Sensor Alarm is a wireless, battery-powered security device featuring a powerful 120dB magnetic sensor alarm with two sound modes—doorbell and continuous alarm. It offers a 300ft remote control range for easy arming and disarming, installs effortlessly with adhesive pads, and is ideal for protecting doors and windows in homes or businesses. Backed by 24/7 support and a 12-month warranty, it’s a smart, no-fuss solution for millennial professionals seeking peace of mind and modern security.




| ASIN | B0BFF71SBB |
| Battery Description | Alkaline |
| Best Sellers Rank | 175,342 in DIY & Tools ( See Top 100 in DIY & Tools ) 164 in Home Security Door & Window Sensors |
| Brand | SECRUI |
| Colour | White |
| Compatible Devices | Remote |
| Control Method | Remote |
| Country of Origin | China |
| Customer Reviews | 3.9 3.9 out of 5 stars (31) |
| Included Components | Remote |
| Item Dimensions L x W x H | 6.9L x 3.5W x 5H centimetres |
| Item Type Name | Door & Window Sensors |
| Item Weight | 150 Grams |
| Manufacturer | SECRUI |
| Model Name | D121X3+RC531X2 |
| Model Number | D121X3+RC531X2 |
| Mounting Type | Adhesive Pad |
| Number of Items | 5 |
| Number of Packs | 3 |
| Power source | Battery Powered |
| Sensor Technology | Magnetic |
| Size | D121X3+RC531X2 |
| Sound Level | 120 Decibels |
| Unit Count | 8.0 count |
| Voltage | 3 Volts |
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