Use the second one if you are a masochist. Lol I want a reminder not a punishment!Why not just buy it from Radio Shack for $4.00? Too easy?
RadioShack 3VDC 75dB Mini Piezo Buzzer
The RadioShack 3VDC Mini Buzzer is used for a wide variety of applications, including audible alarms and distance measurement. This 75dB Piezo electric buzzer operates on 2-4VDC, carrying a maximum 50mA current with a tame buzzer tone rating of 300-500Hz. Parts Warranty: 90 Dayswww.radioshack.com
RadioShack Piezoelectric Audio Transducer
This 2-wire, 1,500-3,000Hz piezo element is ideal when design requires low-profile devices and big sound. Operates at voltages up to 30V. Delivers 86 dB sound at frequencies up to 2500Hz. Suitable for applications that require high sound output. Specifications Rated Voltage 30Vpp Max. Resonant...www.radioshack.com