Refrigerator and freezer alarm, Door left open alarm, Reminders after 30 seconds and more (Batteries not included)

Five modes to choose from: alarm on door opening, off on door closing, Ding-Ding chime mode, 30-second alarm on door opening, DI, DI, DI mode (alarm sounds 15 seconds after the door is opened, then stops after 30 seconds), short press to change modes and adjust the volume.

Soft alarms: alert after 1 minute (for 2 seconds), a second alarm after 2 minutes (for 4 seconds) if the refrigerator door is still open.

Continuous alarm: the alert after (15 seconds) will help you close the refrigerator or freezer door under normal circumstances.

Easy to use: emits a low-volume beep when you exceed the permitted distance between the alarm and the mini sensor; Open/close the door to check before removing the double-sided tape. Note: All data is measured manually; please allow for a 1-3cm error. Due to differences in lighting and display, there may be some color variation; please refer to the actual product received.