westclox 15550 loud bell clock westclox westclox mechanical keywound alarm clock is a dependable and traditional classic! the loud bell alarm is great for sleepers who prefer/need a louder alarm. this clock doesn’t need electricity or batteries due to the keywound feature. the large numbers are easy to read from anywhere in a room. simply wind the clock each day for continuous power. featuring our quality wind-up powered clock movement! proudly made by westclox, 1 year limited warranty.