</div> </div> <div> <p>58 Melodies 5 Volumes: The doorbell receiver has 58 chimes and 5 adjustable volume levels (0dB-100dB) to meet your needs in different occasions. Press the "Next" or "Previous" button to easily select from 58 melodies. </p> <p>High-Performance Transmitter: Ultra-low power consumption; the doorbell is powered by USB and the button uses a CR2032 lithium battery with a maximum service life of 3 years. </p> <p>IP55 Waterproof Doorbell: The doorbell button body is designed for outdoor use. Out. Outdoor, also suitable for all weather conditions. IP55 dust and water resistance; operating temperature range is -4°F to 140°F; withstands all kinds of harsh weather conditions. </p> <p>Memory Function: Remember the last melody and volume after power failure; no need to reset the previous settings; convenient and easy-to-use design, enhance user experience. </p> <p>200M Open Area Operation: The wireless doorbell signal can easily pass through doors or metal walls, ensuring that you never miss visitors, even if</p> <p>Function</p> <p>Multiple connection combinations</p> <p>Configuration according to the size of the environment</p> <p></p> <p>The number of transmitters and receivers should not exceed 20.</p> <p></p> <p>1. USB powered, can be positioned arbitrarily. Suitable for global use.</p> <p>2. 4 unique mode functions: flash only without sound, sound only without flash, strong flash, constant flash.</p> <p>3. IP55 waterproof button, built-in waterproof rubber band, truly waterproof.</p> <p>4. The button comes with a label cover where you can put the house number and other reminders.</p> <p>5. Add the function of distinguishing the front and rear doors, press different buttons, and the receiver will play different music.</p> <p>6. The sound quality is clear and clean, without noise, and pleasant to the ears. </p> </div> <p></p>