With remote control: The door alarm comes with two remote controls, which can control the door opening and closing, and adjust the settings for disarming, arming and ringing. Alarm and emergency. The maximum control distance is 15 m, without interference. Easy to use for installation: The window alarm sensor comes with specially designed and installed double-sided tape. Magnetic door locks do not require any tools. Simply stick the tape on the back of the alarm and magnetic strip, then attach the alarm and magnet. Tape. Tape attached to doors or windows. 130 Decibel Loud Alarm: The door and window alarm has a built-in loud alarm horn that emits a 130 decibel alarm sound when the door or window is opened. The sound can scare away thieves and prevent children and babies from escaping. Protect your home or office whether you are away or not. indoors or outdoors. Emergency SOS Alarm: The door alarm is equipped with a remote control, and there is an SOS button on the remote control. When