Buy a Complete Siren Kit .ÂIt comprised (Strobe light| siren| Siren box). 12v DC 15W siren. 12 DC Strobe light and Blue box. Uses minimal power. Uses a 12 volt DC output. Siren Kits are audible and visible indicators that alert us when the electric fence has tampered with. It is weather-resistant and can be used indoors outdoors
