4-inch stainless steel electric doorbell, internal spark-proof bell type, 220V 10W, for audible signals and alarms in large public places--

General Description: The 4-inch stainless steel electric doorbell is designed to provide a clear and powerful audible signal. With a high-quality bell hammer, it produces a graceful sound, ideal for large public areas such as factories, schools, and railways. Its spark-proof design ensures safe operation in all weather conditions, making it perfect for year-round use. Technical Specifications: Voltage: 220V; Power: 10W; Dimensions: 4 inches. Installation: This doorbell is easy to install. You can attach it to any surface using screws or adhesive. Simply plug it in to be operational. Use: It is perfectly suited as a sound signal and alarm, ensuring you won't miss any visitors, even if you are in another room. Other Information: Note: All data is measured manually; please allow for a 1-3 cm error. Due to differences in lighting and display settings, there may be some color variation compared to the actual product received.