Ahlsen Door and Entrance Alarm - 4x Wireless Intruder Alarm - Home Burglary - Operat - 100 dB

General Description: This set of four Ahlsen wireless intruder alarms is designed to enhance your home security. Thanks to a magnetic system between the alarm transmitter and the magnetic receiver, a 100 dB alarm is triggered when the equipped door or window is opened, providing effective protection against burglaries. Technical Specifications: Transmitter size: 9 x 3 x 2 cm; Magnetic receiver size: 5 x 1 x 1.5 cm; Battery: 2 AAA 1.5V batteries per alarm (included); Volume: 100 dB. Installation: The alarm sensor and magnetic receiver are equipped with adhesive tape, allowing for easy, tool-free installation. Simply stick them to the door frame. Use: These alarms are ideal for improving the security of entry doors, courtyards or balconies, as well as bedrooms, including children's rooms. Ensure that your apartment or room has appropriate conditions to prevent accidental activation.