Long Range Waterproof Wireless Doorbell with Multiple Melodies

1300FT/400M ULTRA LONG WIRELESS RANGE: Enjoy ultra-long wireless range of 1300 feet (400 meters) without interference. Whether you are a few rooms away or on another floor, you won't miss any visitors. Your home's other equipment or neighbors' installations won't get in the way.

EASY TO SET UP: Setting up is incredibly simple. Two transmitters are included, and you can add more AVANTEK RB-1 and CR-1 receivers if you need broader coverage. Simply secure the transmitter to the wall with the provided 4 screws, 4 anchors, 1 key, and 2 double-sided adhesive pads.

TAILOR YOUR TRANSMITTER: Experience rich and clear sound with a 40 mm stereo speaker. Choose from 52 melodies and set one of 5 adjustable volume levels, up to 115 dB. Set different ring tones for each transmitter to easily identify which doorbell has been rung.

HIGH PERFORMANCE: The transmitter is designed for minimal power usage, running on a lithium battery with a lifespan of up to 3 years. IP55 dustproof and waterproof, it is built to handle various extreme weather conditions, working between -4°F to 140°F.

MEMORY FUNCTION: In case of a power outage, the device remembers the last used melody and volume level. No need to reset to your preferred settings, ensuring a convenient and user-friendly experience.