General description The Door and Window Alarm set includes 4 wireless burglar alarms designed to enhance the security of your home. Utilizing magnetic operation, these alarms trigger a loud 90 dB siren when a door or window is opened, providing an effective deterrent against burglary. Technical specifications Transmitter dimensions: 9 x 3 x 2 cm Magnetic receiver dimensions: 5 x 1 x 1.5 cm Batteries required: 2x AAA 1.5V per alarm (not included) Volume: 90 dB Maximum triggering distance: 10 mm Installation Easy installation with adhesive tape, no tools required Simply stick the alarm sensor and magnetic receiver on a door frame or window sill Usage The alarms can be placed in various locations around your home, such as the front door, balcony, garden, bedroom, or windows, to provide comprehensive security coverage. Other information Ensure proper installation conditions to avoid accidental triggering White design for a discreet appearance that blends with your home decor