Set of 2 freezer door alarms, window alarm, wireless refrigerator alarm

4-in-1 mode: This alarm has 4 modes: 1. Time-delay alarm (sounds "Di-Di-Di" from 0 dB to 108 dB if the door remains open for 3/15/30/60 seconds); 2. Normal alarm (alarm stops as soon as the door is closed); 3. Continuous alarm (alarm remains active even when the door is closed); 4. Door opening signal (sounds "Ding-Dong" as soon as the door is opened). Loud 108 dB Alarm: The door and window alarm effectively deters intruders/thieves with a loud 108 dB alarm. You can easily adjust the desired mode to suit your needs. Easy Installation: Thanks to the simple adhesive strip, the alarm can be attached to most freezers/refrigerators or any other door without tools. Installation Note: Ensure the alarm and magnetic strip are close together. The distance between them should not exceed 2 cm (0.78 inches). The two parts must be aligned using the alignment arrows. (Batteries not included) Versatile Use: The magnetic door alarm protects your home by preventing intrusion through doors and windows. It is suitable for safes, closets, freezers, refrigerators, pool sliding doors, shops, offices, apartments, hotels, etc.