Low Power Consumption Warning eMylo door sensor alarm may stay on for a long time. If the battery voltage is lower, the window and door sensor will make a sound to remind the user to replace the batteries. 130dB Loud Alarm SystemThe 130dB burglar alarm system is a versatile siren suitable for window, door or alarm sensors. With this alarm system, reminds you when someone left or entered your home, protect your home or office when you are not available. Remote ControlThe eMylo window and door alarm Comes with a remote control that can be used to arm and disarm the alarm. With the remote control, you can set disarm, buzzer, alarm and panic within 15 meters. Easy Installation eMylo window and door burglar sensor is easy to assemble on adhesive tape double sided. No wires and screws needed. Simply clean the mounting surface, apply the supplied adhesive tape to the back of the alarm and magnet and mount it. 100% After-Sales Service If customers have any problem while using eMylo window and door sensor, please contact us freely. We will do our best to provide a satisfactory solution for customers.