Home Security Door and Window Alarm Sensor (15-pack)

Contains 15 individual security alarms, so you can protect multiple windows and doors throughout your residence. Easy Installation: Magnetic sensor switch detects your door or window. Easy stick installation and operation.Note: When the distance between the doorbell and the magnetic sensor is greater than 0.59 inches, the doorbell will emit a sound of 90 decibels or more, to alert you or drive away thieves and protect your children. It only takes 3 steps to install. Comprehensive Protection: These door and window alarm sensors provide a comprehensive protection plan for your home security, office, or any living space. Can be easily mounted using adhesive. Suitable for installation on windows and doors, providing an ideal entry warning for homes, apartments, mobile homes, offices, hotel rooms, garages, etc. Instant Alert: Help secure the doors and windows of your home, office, or apartment with the 90 dB door/window alarm. If anyone unlawfully opens a window or door (pertaining to the interchanging primary and secondary components), the alarm can emit a loud warning, urging the intruder to exit and reminding the owner. It also serves to prevent children or infants from wandering outside, securing your residence or workplace regardless of your absence.