Product Parameters
Refrigerator and freezer door alarm in a compact white design. The specified size is 6.5 x 3.4 x 1.65 cm and the weight is 42 g. The product is shown as a two-piece unit for open door detection, and installation is indicated with double-sided adhesive tape.

Core Functions
The alarm provides reminders when the door remains open for 60 seconds or longer. A soft alarm sounds after 1 minute for 2 seconds, followed by a second alarm after 2 minutes for 4 seconds if the door is still open. A continuous alarm starts after 3 minutes and lasts for 60 seconds. The SET button activates the function with 4 confirmation beeps. Four modes are described: silent, medium, normal, and high. In normal and high modes, a beep is given every 10 seconds, while high mode also includes 4 siren warnings.

Applicable Scenarios
Suitable for refrigerators or freezers where an open door reminder is needed during daily use. It can help prompt the user to close the door under normal household conditions. The door can be opened and closed for checking before removing the double-sided adhesive tape and completing the placement.

Product Summary
This compact door alarm is designed for refrigerators and freezers, combining a simple white appearance with stepwise reminder alerts and multiple sound modes for practical daily monitoring.