Easy Installation: Plug and Play Wireless Doorbell - Simply plug the receiver into a power outlet and attach the transmitter to the wall using the accessories. The wireless, waterproof outdoor doorbell includes 2 screws, double-sided tape, and a doorbell sticker. 300 Meters/985 Feet Wireless Range: The battery-powered wireless doorbell has a line-of-sight range of up to 300 meters, and its excellent penetration properties ensure you can easily receive messages from visitors even indoors. Adjustable Ringtones and Volume: Enjoy a choice of 60 unique ringtones, change the music with a single touch, and enjoy rich, clear sound from the stereo speaker with 5 volume levels. Press the song selection button for three seconds to switch songs. UPGRADED AND ECO-FRIENDLY: Wireless doorbell 1 Transmitter made of recyclable ABS material is waterproof to IP55 standard, ensuring durability and reliability both indoors and outdoors while maintaining the same energy efficiency. Upgraded digital circuit design: Wireless doorbell with solid anti-interference capabilities and accurate one-to-one signal matching, eliminating any worries about disturbing other family members or neighbors.