Enhanced Home Security: This wireless magnetic alarm for doors and windows offers an effective and affordable solution to improve your home security. It acts as a deterrent to potential intruders and alerts you with a loud 125dB alarm when a door or window is opened. Ideal for homes, apartments, offices, shops and other places that need increased security. The MSA-809 model is easy to install and use, giving you peace of mind knowing that your property is protected. It is a simple yet effective way to protect your loved ones and your belongings from unauthorized intrusion. Consider using multiple devices for comprehensive coverage of all entry points. Easy Installation and Use: The wireless design of this door and window alarm makes installation quick and easy, with no complicated wiring or professional assistance. Simply attach the main unit and magnetic strip to the door or window frame using the adhesive provided. Make sure that the arrows are facing each other and that the distance between the two parts is no more than 8 mm. When the door or window is opened and the magnetic strip is separated from the main unit, the alarm sounds. Closing the door or window will stop the alarm. The user-friendly design makes it accessible to all ages and technical abilities. The MSA-809 is a hassle-free security solution. Low Battery Indicator: This door and window alarm has a low battery indicator, ensuring that you are always aware of the alarm's power status. When the battery is running low, the indicator light will flash red and prompt you to replace the batteries immediately. This prevents unexpected alarm failures and ensures continuous protection of your property. Regular battery checks are recommended to maintain optimal performance. The MSA-809 is designed for long-lasting performance and reliable safety. Specifications: Color: White Dimensions: Length: 7.5cm, Width: 3.8cm, Height: 1.2