Key features

• •【Wide Working Range & Expandable】SECRUI wireless door chime offers a generous detection area of nearly 400 feet. Far enough to cover every door and window in your house. Use it as door chimes when door opens for business or home. Each wireless receiver can pair up to 20 magnetic sensors and each door sensor can add more receivers. The choice is yours.
• •【32 Chimes with 5 Volume Levels】32 unique chimes and 5 adjustable volume levels with mute mode allow your wireless door and window entry alert system to meet any need. Add more receivers or door sensors to set up different chimes in multiple areas such as front door, back door, office, warehouse, back of shop and more. A perfect door dinger for business and door alarm chimes for home.
• •【Easy to Install】Simply plug the wireless door alarm receiver into any standard outlet, the magnetic door sensor can be installed with screws or double-sided adhesive tape which are included. Moreover, you can adjust the height of the magnetic strip with the included shim to adapt to the installation of the misaligned door.
• •【Long Battery Life & LED Indicator】The magnetic door sensor is powered by battery, long lasting performance and easy battery replacement. With the built-in LED indicator, this wireless door chime offers additional assistance when coupled with the receiver to the hearing impaired.
• •【Memory Function & Warranty】The receiver of this wireless door chime has memory function, you don't need to reset the ringtone after a power outage. In addition, SECRUI offers a 18-month warranty and a money back guarantee for you to purchase without risk. You will be support 7*24 hours by our service team, please don't be afraid to contact us. We are so happy to serve you.