- Loud Alarm: The door open-close detector features a powerful 130dB alarm, ensuring that any unauthorized entry is immediately noticeable, alerting you and those nearby. - Smart Detection: This window and door sensor detects whether windows or doors are opening or closing. It automatically triggers the alarm when movement is detected, providing an extra layer of security for your home or business. - Extended Battery Life: Equipped with 3 LR44 button batteries, this window security alarm is designed for low power consumption, ensuring long-lasting performance without frequent battery replacements. - Versatile Use: Ideal for various environments, this window alarm sensor is perfect for homes, offices, shops, warehouses, garages, and more, making it a versatile security solution. - Practical Applications: - Use it to secure your home by placing it on entry points like back doors and windows, providing peace of mind when you are away. - Employ it in retail environments to monitor store entrances, deterring theft and alerting staff to customer movements. - Install it in warehouses or garages to safeguard valuable equipment and materials, ensuring that any unauthorized access triggers an immediate alert. This door open-close detector combines strong performance with user-friendly features, making it a reliable choice for enhancing security in any setting.