Alarma - 4 piezas - Alarma profesional para puertas/ventanas - Conjunto de alarma para ventanas - 90 dB - Sirena - Sirena de seguridad - Alarma antirrobo inalámbrica - Hogar

This doorbell boasts a volume of up to 90 decibels: it immediately sounds a loud alarm when someone opens a door or window without authorization. It effectively protects your home and workplace, prevents children from getting lost, and is extremely durable and stable. Easy to use: Installation and operation are simple; just stick it to the door. Press the on/off button to turn the power on or off. Insert two AAA batteries (sold separately), peel off the protective film from the double-sided tape, and then stick the doorbell to the door. The distance between the magnet and the doorbell should not exceed 1.5 cm (approximately 0.6 inches). Lightweight and portable: Thanks to its ultra-thin design, this doorbell is lightweight and portable, perfect for travel or student dormitories, and protects your valuables. Premium materials: This door and window alarm is made of high-quality, environmentally friendly, and durable materials. Suitable for various applications: This wireless door and window alarm with sensors can be used in homes, apartments, campervans, offices, hotel rooms, and other locations.