Seller: mr.wadhams (6,115) 100% , Location: Medford, Wisconsin, Ships to: US, Item: 371788734894 Large 8" Diameter Faraday alarm bell mounted on a thick unknown non conductive material base with light sockets. Heavy solid material. Red bulbs are new. Mounting 17" x 17"x 1/2" .... 21 pounds before packaging...Heavy! Very cool look....unusual to find with light sockets...I replaced the bulbs. All in good as found,used condition. Not tested. Condition: Red Bulbs Are New. Original porcelain sockets., Material: Slate Like/ Unknown?