1. ENHANCED SAFETY: The alarm features a loud 108dB siren to deter potential intruders. This burglar alarm has been specially designed to provide effective security for your doors and windows, ensuring a secure feeling. The alarm can emit a strong warning sound to scare off intruders and alert the owner. Note: The loud alarm may startle children, so please use with caution. 2. VERSATILE USE: Our magnetic door/window alarm is suitable for home security, pool gates, cars, sheds, caravans, offices, etc. It offers four modes—general alarm, constant alarm, door lock alarm, and doorbell mode—allowing you to choose the setting for your needs. 3. EASY INSTALLATION: No complicated setup or professional assistance required. The wireless door alarm can be easily installed using the included doublesided adhesive. (Tip: Clean the installation area with a damp cloth and ensure it's dry before applying.) 4. RELIABLE SENSOR TECHNOLOGY: Equipped with a sensitive magnetic sensor, the alarm instantly detects unauthorized openings. Once the alarm and magnet are separated by more than 1 cm, the siren will sound continuously until the door is closed.