Door Chime, Door Sensor Chime for Door Opens – Door Ringer with 500ft Operating Range 52 Chime Adjustable Volume Mute Mode LED Indicators –Entry Alert Chime for Business/Home/Office

[Out of the Box] This door chime has been paired before delivery. No need for wiring or electrician installation: simply plug the receiver into the socket and tear off the double-sided adhesive from the back of the door sensor, then stick them to the door, and you're ready to go. [Ease of Use] The door sensor chime is equipped with 52 different chime options and five volume levels, so you can create a comfortable environment for your family. The door chime also features LED indicators that work together with the sound so you can notice it quickly. [How it Works] These door opening chimes feature a magnetic strip that is automatically triggered by the receiver when it's separated. The receiver instantly alerts the person in charge by playing one of the chimes. [Long Range] The high-frequency electronic technology door open chime is capable of reaching up to 500 feet, with the help of FM signal scheme. [Compatibility] The door chime is designed to aesthetically fit all types of homes and is also suitable for offices, stores, and many more.