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The SanJie DOOR ALARM is a must-have for any home or business owner looking for an effective and easy-to-use security solution.

With its 4 working modes, including Instant Alarm, Entry Alert, Door Closing Reminder, and Intruder Alarm, this device provides comprehensive protection against unauthorized entry.

The alarm is loud and clear, ensuring that any intrusion is detected immediately. The installation process is simple and easy, requiring only double-sided adhesive or screws to mount the device on the door or door frame.

The product comes with detailed instructions for easy use, making it accessible to everyone. But what sets the SanJie DOOR ALARM apart is its versatility.

It can be used as a doorbell for people with dementia patients, providing a convenient and safe way to alert them of visitors.

It's also perfect for kids safety, burglary, home security, garage, and business security. Don't let the affordable price fool you - this product is packed with features that make it an essential security measure for any home or business.

Order now and enjoy peace of mind knowing your property is protected!