Specification: Buzzer Alarm Sounder: Length of Wire: 110mm /4.3inch Diameter: 30mm /1.2inch Rated Voltage: 12V Range of Voltage: 3-24V Rated Current: 15mA at 12VDC Mounting Hole Diameter: 3.7 x 3.2mm / 0.14" x 0.12" (L*W ) Sound Pressure Frequency: 100dB at 12VDC /30cm Resonant Frequency: 2.50.5KHZ Operating Temperature: -20+45 Great alarm for a motorcycle, engines and alike. 9v Battery Clips with Leads: Size: 2.7 x 1.8 x 0.6 cm / 1.1" x 0.71" x 0.24" (L*W*T) Cable Length: 15cm / 5.9" Color: Black, Red Material: Metal Quantity: 5pcs Great to use for LED strip light, for replacing old battery terminals. Package Content: 5 * DC 3-24V Electronic Buzzer Alarm Sounder 5 * 9v Battery Clips with Leads