Extended Range & Easy Installation: Experience the convenience of a wireless doorbell with a remote control range of up to 260 meters, ensuring no matter how large your home or office, you always be alerted. Easy to install without any cumbersome wiring, this doorbell is user-friendly and requires minimal setup. Waterproof & : Designed with a robust, waterproof casing, this doorbell is perfect for outdoor use. It stands up to any weather conditions, ensuring and reliability. Customizable Volume: Comes with 4 adjustable volume levels, allowing you to set the sound level that best suits your needs. Whether you prefer a loud ring or a softer chime, this doorbell has you covered. Through-the-Wall Technology: Equipped with advanced technology that allows the signal to penetrate walls easily, ensuring you never miss a visitor, no matter where you are in your home or office. Voltage:AC90-240V Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Color: Black Material: plastic Package Contents: 1 set x 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.