Model : SKD-72 & SKD-73 Easy-to-Install SKD Series Siren Parts without Casing for Auto Security > Mini with powerful performance > Able to fix or install into a system easily > No extra
siren generator circuitry, no extra driver circuitry or speaker required > Available in 3, 6, 9 or 12V operation according to users' requirements > #S-73 mounts onto PCB directly > Any
modification accepted to meet customers' specifications > Alarm tone: siren (typical), sweep, hi-low tone available > Decibel value (at 1 foot): 108 +/- 3dB (12V operation) > Lead wire
length: 60mm in general (customized length available) > Color: black or ivory