【With Remote Control】The door alarm sensor comes with a remote control. You can use it to arm and disarm the door alarm, as well as set disarm, arm, ring, alarm, and emergency. The maximum control distance is 15 m without interference. 【Easy to Install】Window alarm sensors with double-sided adhesive tape, specially designed and installed for magnetic door intrusion alarms. No tools are required. Simply stick the adhesive tape on the back of the alarm and the magnetic strip, and then stick the alarm and the magnetic strip to the door or window. 【130 dB Loud Alarm】Door and window alarm with built-in loud alarm siren. A 130-decibel alarm will sound when the door or window is opened. This sound can powerfully scare thieves, prevent children and babies from sneaking out, and protect your home or office whether you are indoors or outdoors. 【3 Alarm Modes】The door and window alarm system has 3 alarm modes: doorbell mode, anti-theft mode, and reminder mode. They have 3 different voices. You