Uxcell 2" Silver Tone 220 VAC Metal Shell Fire Alarm Electric Bell Electric Bell; Rated Voltage : AC 220V Top Diameter : 55mm / 2"; Base Diameter : 73mm/ 2. 9" Overall Height : 38mm/ 1. 5"; Fixing Holes Diameter : 4. 8mm/ 0. 19" Material : Metal, Plastic; Color : Silver Tone, Black Weight: 113g; Package Content : 1 x Electric Bell