Check the listing for details. Lot of 5: NEW 12" Internal PC Motherboard Buzzer BIOS Error Code Beep Speaker. Condition: New. Listed at 11.00 USD. 24" Case speaker Our Business hours We are closed on Saturdays and Sundays. NEW Lot of 5pcs: 12" Internal PC Motherboard Buzzer for BIOS Error Code Boot-up Beep High Quality Buzzer connects to motherboard's standard 4pin speaker header port. This is NOT a speaker this is solely for troubleshooting and as a diagnostic tool. You may have noticed that when you first turn on your computer, it emits a short, single beep. This beep does more than tell you that you just turned on your computer. That single beep is actually a beep code that tells you everything is OK with your PC. Working in tandem with the motherboard, the internal speaker will emit a series of beep codes both long and short and also steady and intermittent to indicate to the troubleshooter what the source of the error is. Check out Lot 2: Buzzers Additional PC buzzer models available On the motherboard -------- on the Case SPEAKER 4 Pin hole Speaker Plugs into any Motherboard with the 4 pin speaker header.Length of cable : 12" Additional PC buzzer models available Store Policy & About us (More on Shipping/ Return Policy / None-USA International Customers)