Wireless USB Doorbell with 30 Melodies for Home and Emergency Alerts (USB RF433 Doorbell)

🧠 Introducing the USB Wireless Doorbell: Enhance your home's entrance with the DC 5V RF433 MHz Remote Control Receiver USB Smart Doorbell. This modern and user-friendly doorbell features an impressive selection of 30 melodies, perfect for welcoming guests or signaling emergencies with ease.

🔧 Key Features:

🔍 Simple to Operate: The doorbell incorporates a seamless code learning system that allows for effortless pairing with the remote control. Just press and hold the volume button for 5 seconds to enter learning mode. The long-on LED indicator informs you of the status. Successfully sending a code will deactivate the LED once, while a failed attempt is signaled by two brief LED flashes, providing clear feedback.

🔘 Remote Control Functionality: Once paired, activating your doorbell is as easy as pressing a button on the remote control to play your selected tune. Enjoy the convenience of having multiple music options at your fingertips.

🔘 Adjustable Volume: A thoughtful design lets you cycle through three volume levels—high, medium, and mute—by simply clicking the volume button. Each level change is confirmed by a distinct beep and a quick LED flash, ensuring you know your setting at a glance.

🧩 Musical Variety: Enjoy customization with the music switching button, allowing you to change to the next melody with just one press. This feature supports a continuous cycle of your favorite tunes, ensuring your doorbell never sounds the same twice.

🔍 Efficient Code Management: For those times when you need to clear paired transmitters, a long press of the volume button, followed by a power connection, allows you to effortlessly reset the system. The flashing indicator light confirms successful code clearing, making it easy to manage your device.

Technical Specifications:

• Working Frequency: 433.92MHz
• Number of Melodies: 30
• Output Method: Horn
• Demodulation Method: ASK
• Encoding Format: EV1527
• Shell Material: ABS for durability
• Control Method: Equipped with a handy remote control
• Product Size: Transmitter - 56.5 * 33 * 5.3mm; Receiver - 45 * 45 * 14mm
• Power Supply: Transmitter powered by 3 CR2016 batteries; Receiver powered by DC 5V USB

🔴 Package Includes:

• 1 Transmitter (Remote Control)
• 1 Receiver (Doorbell)
• 1 User Manual

💍 Note: This product comes pre-paired from the factory, so there’s no need for additional pairing initially. The learning instructions are for integrating new transmitters or recovering lost connections.

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