Wireless Door Window Contact Sensor Alarm Keep your home and loved ones safe with the Wireless Door Window Contact Sensor Alarm. This alarm emits a volume of 120dB if your door or window is suddenly opened, providing a loud and effective deterrent to intruders. The alarm offers three modes: normal alarm mode, alarm and stop mode, and doorbell mode. In normal alarm mode, the alarm lasts for a minute when the door or window is opened, and you can easily close the alarm with the remote control. In alarm and stop mode, the alarm will sound when the door or window is opened and will stop once you close it. The doorbell mode will sound a pleasant "ding dong" to remind you when someone pushes the door to enter. With a long range of 300ft control, our door alarm kit comes with a wireless remote control that allows you to arm, disarm, and control the door alarm from a distance. It also features an SOS option, providing easy access to help for the elderly in case of emergencies. Installation is a breeze with the included adhesive patches and screws. No wiring is needed, making it convenient to secure your doors and windows. The kit includes 4 contact sensors, allowing you to secure multiple entry points in your home or office. Enhance the security of your space with the Wireless Door Window Contact Sensor Alarm. Order now and enjoy peace of mind knowing your loved ones and belongings are protected.