Seco-Larm SL-126-A24 Amber Emergency Strboe Light for General Signaling, 24VDC For "informative" general signaling requirements Incorrect polarity cannot damage circuit ordraw current Easy 2-wire installation, regardless of voltage Lens is made of high-impact resistant acrylic, case of high-impact resistantABS plastic Leads: #18 Gauge, 12" long