General description This waterproof outdoor wireless doorbell kit includes 1 transmitter and 1 receiver, designed for long-range communication. The penetrating wireless signal can transmit up to 300 meters in open spaces, ensuring you never miss a visitor, even with obstacles like doors and walls. It is suitable for various settings including homes, apartments, villas, offices, shops, warehouses, hotels, and factories. Technical specifications Transmission range: Up to 300 meters Volume levels: 4 adjustable levels from 25 dB to 85 dB Waterproof rating: IP44 Number of melodies: 36 CD-quality ringtones Installation Plug the portable receiver into any power outlet. Secure the transmitter to the wall using the included patch or screw. Usage The receiver does not require a battery. To stop the doorbell from ringing, simply unplug the receiver. The flashing blue LED on both the button and receiver serves as a visual indication for both the host and visitors, making it especially useful for