Enjoy clear, uninterrupted doorbell signals up to 300 meters (984 feet) with the robust 433MHz frequency. Perfect for large homes, gardens, or properties with multiple buildings - never miss a visitor's call again. Choose from 36 distinct chime melodies to match your style and create the perfect greeting for your home or office. From classic tunes to modern sounds, customize the welcome experience for every occasion. Easily adjust the volume to match your environment - from soft chimes for quiet spaces to louder tones for larger areas. Perfect for homes, offices, or shared living spaces where different volume preferences are needed. Built to withstand rain, snow, heat, and humidity, this doorbell performs flawlessly in any climate. Install it on your front door, garage, or outdoor space without worrying about weather damage - year-round reliability you can count on. The bright LED indicator light provides a visual alert when someone rings your doorbell, ensuring you're always aware of visitors - even in noisy environments or when you're not near the door. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. / US Plug,it applies to Canada, India,Mexico, Thailand, the United States, the Philippines,Taiwan and so on. Voltage: 110-220V Color: White Material: ABS size: 18x13x5cm Package Contents: 2 x waterproof buttons 1 x wireless receiver 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.