SleeZOO Wireless IP66 Waterproof and Transmitter and Wireless No Installation Light Loud Can Be Heard 300M Wireless Sound and Light Memory Blue 7

[IP66 Waterproof and Dustproof] The SleeZOO wireless chime is IP66 certified under the EN 60529 international standard, making it suitable for a variety of extreme climates. It also comes with a replaceable CR2032 lithium button battery, which is commercially available. [Easy Installation & Flexible Combinations] This wireless chime is extremely easy to use. The devices are already paired when shipped and do not require re-pairing or connection. No tools are required, so no additional wires or tools are required. Each transmitter and each receiver can be added as many times as you like, allowing for flexible combinations. Up to seven transmitters can be paired with one receiver, and the number of receivers that can be paired with one transmitter is unlimited. Recommended for those who don't like to bother with the hassle. [300M Wireless Range] The signal range is up to 300m in an open area with no obstacles. The stable wireless signal means you can clearly hear the doorbell even from other rooms or floors. This wireless chime is also an ideal choice for classrooms, homes, children's bedrooms, playrooms, apartments, offices, and other locations. Note: The operating distance may vary depending on the presence of obstacles in the surrounding environment. Do not place the transmitter near metal objects (such as metal doors). [60+ Selectable Chime Sounds] This wireless chime not only features a loud volume that can be adjusted up to 115dB, but also comes with over 60 songs, including some of the most popular songs on the market, such as Merry Christmas and Happy Birthday. It also has a mute mode, which means that the alarm will not sound when it rings, but instead the LED light on the receiver will flash. This can be used in places like homes, classrooms, and daycare centers to avoid disturbing sleeping babies and children. [LED Notification & Multi-Environment Compatible] This wireless chime features a ring LED that can be used in a variety of spaces. The receiver's simple, modern design blends seamlessly into any space with its stylish ring LED, subtly illuminating it to softly notify visitors. For seniors who require hearing support, the combined volume of up to 115dB allows for overlapping notifications. It's ideal for a wide range of environments, including homes, apartments, offices, shops, cafes, and restaurants. This wireless chime is certified by PSE, FCC, CE, and RoHS. The SleeZOO wireless chime boasts IP66 waterproof and dustproof performance, ensuring reliable operation in all weather conditions. (Transmitter: Battery-powered/CR2032 compatible, commercially available; Receiver: Wall-powered). It achieves a wide-range communication range of up to approximately 300m in an open, unobstructed environment, and boasts stable operation indoors through walls and floors. (Distance varies depending on installation environment; communication distance may be reduced near metal doors.) With over 60 ringtones (including popular songs), volume adjustment up to 115dB, and mute mode (LED flashing notification), it's safe for use in daycare centers and bedrooms. Incredibly easy installation (pre-paired, no tools required) and high expandability with up to 7 transmitters and unlimited receivers make it ideal for a variety of settings, including homes, offices, and stores.