Long-Range Connectivity: Experience seamless communication with a robust wireless range, ensuring you never miss a visitor, whether you're in your home office, kitchen, or garden. Easy installation with no wiring required. Smart LED Notifications: The receiver's intelligent LED lights provide visual alerts, which are perfect for noisy environments or for those with impaired hearing. Weatherproof Design: Both the transmitter and receiver are waterproof, making them suitable for outdoor use in any weather conditions. Versatile Chime Options: Includes chime tones to suit your preference, adjustable volume levels, and a silent mode for added convenience. Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on. Voltage:AC110-220V Color: Black Material: plastic Package Contents: 1 * Button 1 * Receiver 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.