General description The AC 220V 100mm (4 inch) Electric Bell is a reliable fire alarm device designed for various settings including residential buildings, offices, factories, schools, shops, hotels, and public places. It features a striking red color and is constructed from durable metal and plastic materials. Technical specifications Rated Voltage: AC 220V Top Diameter: 100mm (4 inch) Base Diameter: 115mm (4.5 inch) Overall Height: 5cm (2 inch) Weight: 378g Other information Package Content: 1 x Fire alarm bell Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3cm.