3PCS 1PCS Indoor 12V Wired Siren with Red Light Flash 110dB Sound Prompt Alert for House Smart Life Security Protection Introduction: This Alarm Strobe Light Flash Siren is a fully designed to work with the most security survillance systems. It provides protection against intruders, before they get the chance to enter the home. With its powerful 110dB sounder, this siren strobe will enunciate unwanted entrance to property and premises. The accompanying strobe light also provides a visual warning and deterrent upon activation. Feature: Specially designed for the users who need strobe light and large volume; Security Strobe Light Siren can receive signal of detector; Connect the red wire to the postive pole and the black wire to the negative pole; It must connect with the alarm control panel to supply the power and support to give alarm siren warning ,so to scare away the theft. Prameter: -Sound with red strobe light -Compatible with any burglar alarms has wired port -Buzzer Level: >=110dB /30cm -Flash/ min: 150 times -Rated Current: