Advanced Wireless Technology: Experience the convenience of a wireless system with enhanced signal range, ensuring no visitor goes unnoticed, no matter your home size. Customizable Tunes: Choose from a variety of digital tunes to greet your guests with a personalized touch or set the mood for your environment. Intelligent Features: Equipped with smart technology that allows for seamless integration with home automation systems, making your home smarter and more efficient. Easy Installation: Set up your new doorbell in minutes with no professional help needed, thanks to its user-friendly design and clear instructions. and Reliable: Built to withstand weather conditions, ensuring reliability and . Plug Type:US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the , the Philippines and so on. voltage: AC85-265V Colour:Black Material:plastic Package Contents: 1 set * Wireless Doorbell Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.