Effortless Installation & Operation: Experience the convenience of a wireless doorbell system Wireless Doorbell. This innovative device is self-powered, requiring no batteries, making it both eco-friendly and maintenance-free. Extensive Range & Compatibility: Boasting a robust wireless range of up to 150 meters, this doorbell ensures that you never miss a visitor, whether you are in a large home or a multi-story office. & Weather-: Designed to withstand the elements, this doorbell is waterproof and suitable for outdoor installation. It ensures reliable performance regardless of weather conditions. Customizable Ringtones: Personalize your doorbell experience with 38 different ringtones, allowing you to change the chime to suit your mood or season. Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on. Voltage: AC100-240V Color: As Shown Material: ABS Package Contents: 1 * home smart wireless doorbell kit 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.