General description The AC 220V 100mm Electric Bell is a round-shaped fire alarm bell designed for various environments 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 Total Height: 5cm / 2 inch Weight: 378g Other information Package Contents: 1 x Fire Alarm Bell Note: Light shooting and different displays may cause the color of the item to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.