Enhance your home or office with this advanced Wireless Doorbell system, designed for both indoor and outdoor use with a waterproof button and canopy for superior weather resistance. Featuring a built-in USB interface, you can easily download and customize MP3 ringtones, supported by 64MB of memory for a personalized alert experience. The system operates on a 433MHz frequency with an impressive wireless range of up to 200 meters, ensuring reliable performance across large spaces. Key Features: · Built-in USB Interface & 64MB Memory: Download your favorite MP3 songs as ringtones for a customized doorbell sound that suits your style. · Long Wireless Range: Utilizes digital co-frequency and different code technology to provide a stable remote control distance of up to 200 meters, ideal for various installation environments. · Waterproof Button with Canopy: Designed for both indoor and outdoor installation, the waterproof button and protective canopy offer enhanced durability and resistance to weather elements. · Adjustable Volume Control: Equipped with built-in digital buttons for easy volume adjustment, delivering sound levels ranging from 25 to 110dB to fit different settings. · Multiple Code Options: Contains 16 manually adjustable codes, providing flexibility and preventing interference from other devices. · Stereo Surround Sound Design: Includes built-in 3-chord music options, allowing you to select the perfect tone to match your ambiance and preferences. · Convenient Mounting Options: Hanging holes on the back enable easy installation on walls or desktop placement, enhancing usability and convenience. · Battery-Powered & Easy Installation: The button requires two AAA batteries, and the receiver uses four AAA batteries (not included), ensuring cordless operation and straightforward setup. Specifications: · Working Frequency: 433MHz · Wireless Distance: Up to 200 meters · Supply Voltage: 6V · Power Consumption: 1W · Volume Range: 25-110dB · Power Supply: Button (2 x AAA batteries), Receiver (4 x AAA batteries) – batteries not included · Package Weight: 234g (8.3oz) Package Includes: · 1 x Wireless Doorbell Button (Batteries Not Included) · 1 x Receiver · 1 x Double-Faced Adhesive Tape · 1 x Installation Package · 1 x User Manual This wireless doorbell system combines advanced technology with user-friendly features, making it an excellent choice for enhancing your entryway with customizable sounds, long-range wireless capability, and robust waterproof design. Whether mounted on a wall or placed on a desktop, it delivers reliable performance and stylish functionality to suit any environment.