6vdc rated (3-9VDC Range) 25mA SPL: 80dB/20cm 33mm (to end of mounting tabs) x 17mm x 17mm with red/black leads. Made in Korea P/N DM-03-6V
9vdc rated (4.5-12VDC Range) 25mA SPL: 80dB/20cm 33mm (to end of mounting tabs) x 17mm x 17mm with red/black leads. Made in Korea P/N DM-03-9V
12vdc rated (6-16VDC Range) 25mA SPL: 90dB/20cm 41mm (to end of mounting tabs) x 21mm x 17mm with red/black leads. Made in Hong Kong P/N SL-120.
12vdc rated (8-16VDC Range) 30mA SPL: 85dB/20cm 26x26x15mm with 4 PC pins. Made in Hong Kong P/N RSL-120.
3vdc rated (1.8vdc starting voltage) 350mA SPL: 105dB/1ft 49mm diameter Made in Hong Kong P/N H-30
6vdc rated (3.0vdc starting voltage) 120mA SPL: 105dB/1ft 49mm diameter Made in Hong Kong P/N H-60
117vac rated (80.0vac starting voltage) 50mA SPL: 105dB/1ft 49mm diameter Made in Hong Kong P/N H-120AC/UL
12vac rated (3.0 - 24vac operating range) 2.9khz resonant frequency SPL: 90dB/30cm 38.5mm diameter Made in Hong Kong P/N PKB-35AC-12
1.5VDC 80dB 2KHz resonant frequency PC Pins 12mm diameter/8mm high/6.5mm pin spacing Made in Taiwan P/N MSG-12
4.1Khz with 4" leads. 30.2mm diameter 6mm high (37mm between mounting holes) Made in Hong Kong P/N PEH-27/2