Wireless EU/US/UK/AU Plug Long-Range 433 MHz Two-in-Four Doorbell

This versatile doorbell offers a convenient solution for both residential and commercial use, featuring a long-range wireless capability of 433 MHz. It is equipped with interchangeable plug options suitable for EU, US, UK, and AU outlets, ensuring compatibility with various power systems. Its wide voltage range of 100-240V allows for reliable performance across different regions. With its easy installation and flexibility, it is an ideal choice for those seeking a practical and efficient doorbell system. Power supply mode: AC Ring: 60 songs 5 volume levels Scope of application: 300 meters straight-line distance on the open space Manufacture country: China Instructions included: No

voltage: 100.000000 - 240.000000