Shizunami Wireless Automatic Power Waterproof and Loud 115dB 7 Volume LED 300M Wireless Light No Installation Sound and Light Call Simple Chime for

[Battery-free automatic power-generating design & easy installation] This wireless chime transmitter automatically generates power with each button press, eliminating the need for troublesome battery changes. Its battery-free, environmentally friendly, and sustainable design means zero running costs. Installation is simple: the transmitter can be installed in just three seconds with double-sided tape, eliminating the need for any construction work, making it ideal for those who want to avoid damaging walls or those living in rental properties. The receiver is ready to use as soon as it's plugged into an outlet. It can also be secured with screws if necessary. Its compact size makes it ideal for narrow Japanese entryways or for adding multiple doors. (Note: Communication may be unstable when used near metal doors. Be sure to install it away from metal structures.) Wide-Range Communication & Flexible Expansion: The wireless chime has a line-of-sight range of up to 300m in an unobstructed area. Its sound can reach even the complex architecture of traditional Japanese homes, from detached houses with gardens to apartment hallways and entryways. (Note: Differences in installation environment may affect communication distance.) Multiple sub-receivers can be added, allowing for installation in detached rooms or on the second floor. Since you can receive chime notifications from anywhere in the house when a visitor arrives, it can also be used to monitor elderly people. Weatherproof Design & Memory Function: Meets IP44 waterproof and dustproof standards, ensuring durability against humidity and snowfall during the rainy season. It operates in temperatures ranging from -20°C to 60°C, making it suitable for use nationwide, from Hokkaido to Okinawa. It also comes with a backup function that stores settings even during power outages, providing peace of mind in the event of a disaster. Even when installed outside your front door, it will function even in sudden rain or dusty environments. [More than 60 ringtones & 7 volume levels] The built-in chime features over 60 sounds that are perfect for everyday life in Japan. You can change the chime sound to suit the season or the type of visitor. The wireless chime's volume can be adjusted in 7 levels from 0-115dB, so it can be heard even upstairs. A light also indicates when it's in silent mode. This makes it perfect for families with children, pets, or those in areas with nighttime noise restrictions. [Equipped with a ring LED and suitable for multiple scenes] The receiver's simple, modern design blends seamlessly into any space with its stylish ring LED, providing gentle visitor notification. Combined with a maximum volume of 115dB, it provides dual notifications, especially for elderly people with hearing problems. It's ideal for a wide range of settings, including homes, offices, shops, and restaurants. Eco-friendly and easy to install automatic power-generating wireless chime