General description This 4-in-1 Freezer Door Alarm and Window Security Alarm is designed to enhance your home security. With four distinct modes, it effectively deters intruders with a loud 108 dB alarm. The alarm can be easily customized to suit your needs, making it a versatile addition to your security system. Technical specifications Alarm Volume: 108 dB Modes: Delayed Alarm (3/15/30/60 seconds), General Alarm, Constant Alarm, Door Opening Beep Power Source: Requires 2 AA batteries (not included) Battery Life: Up to 2 years Installation Distance: Maximum 2 cm between alarm and magnetic strip Installation Simple peel-and-stick installation Align the alarm and magnetic strip using the alignment arrow Ensure the installation distance does not exceed 2 cm Usage Alarm reminder for refrigerator and freezer doors Door and window alarm for home security Cabinet door alarm for store security Other information Package includes: 2 refrigerator alarms, 2 magnetic strips, double-sided