Features : Dual Purpose Design: This doorbell sign serves as both a Not Disturb notice and a doorbell button sign, ensuring you enjoy uninterrupted peace and quiet. Customizable back allows for personalized messages. Easy Installation: With a simple design and included mounting materials, this dual purpose sign can be easily installed on any doorbell button type. No need for complicated tools or professional help. Prevent Interruptions: Keep unwanted visitors at bay with this dual purpose doorbell sign, designed to prevent others from disturbing you during important meetings or while napping. Enjoy your privacy and focus without disruptions. Customizable Back: The back of the sign can be customized with your own writing or design, adding a personal touch to your doorbell area. Make it uniquely yours and tailor it to fit your preferences. Functional and Stylish: This doorbell sign not only serves a practical purpose in preventing interruptions, but also adds a stylish touch to your doorbell area. Enhance the look of your entrance while maintaining peace and quiet. Specifications: Material: Plastic Size: 10.3*3.3cm Notice: 1.Actual color may be slightly different from the image due to light effect. 2.Please allow 1-3cm deviation due to manual measurement. Include: 1 * Dual Purpose Doorbell Sign 1 * Pen