Specifications:

• 4-in-1 Mode: This alarm with 4 modes. 1. Time Delay Alarm (sounds ?Di-Di-Di? from 0dB to 108dB if door stays open for 3/15/30/60s) 2. General Alarm (alarm stop if door closed); 3. Constant Alarm (constant alarm even door closed); 4. Door Open Chime (sounds ?DingDong? once door opens)
• 108dB Loud Alarm: Door and window alarm helps deter intruder/thieves effectively by 108dB loud alarm, also door open chime will notify you if kids/pet/elder are coming or leaving unexpected. You can easy to set appropriate mode as your need.
• Easy to Install: Simple peel and stick installation, easy to install on most of freezers/fridges or any door without any tools. package including 2 pack refrigerator alarms, 2 magnetic stripe, double sided sticker, user manual. The electronic instruction is on the eighth picture.
• Installation Note: Ensure close the alarm and magnetic strip, the installation distance between them should not exceed 0.78 inch. The 2 parts need be aligned by their alignment arrow. 2 AA battery can stay 2 years.(batteries are not included)
• Widely Use: Magnetically triggered door alarm sensor protecting house by door window entry and suitable for safe box, cabinet, Freezers, Refrigerators, pool sliding door, store, office, apartment, Hotel etc.

Freezer Door Alarm, Safety Window Alarm, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-In-1 Door Sensor Chime Door Open Alarm Loud 108dB?white??1 pcs)