Product Description Equipment—The audible and visual alarm is an alarm terminal specifically designed to provide audible and visual alerts during a fire. It uses a two-wire wiring system. The main line connects to two main lines, and the power supply connects to a 12/24VDC power line. Audible and Visual Alarm—The alarm emits a loud siren and flashes rapidly to alert people to escape; the high-brightness, high-decibel alarm attracts attention and protects people from harm. Selectable Alarm Tones—Three different tones are available, allowing you to choose your preferred tone: ambulance siren; police siren II; fire truck siren III. Easy to Use—This safety alarm is easy to use and highly practical. It can be applied to places requiring safety alerts, such as hotels, factories, and apartments. Quality Assurance—If you have any questions about purchasing our product or encounter any problems during use, please feel free to contact us. We will be happy to answer all your questions. Product Description Audible and Visual Alarm Wide Range of Applications Specifications: Condition: 100% Brand New Product Type: Audible and Visual Alarm Color: Red Temperature Range: -10 -50℃/14 -122℃ Humidity Range: 95% RH Operating Voltage: 12/24VDC Operating Current: 20mA/50mA Flash Intensity: 1.2Ws Flash Cycle: 1.5S Sound Alarm: 105dB Flash Lifespan: 40,000 hours Dimensions: 134 x 115 x 48mm/5.3 x 4.5 x 1.9 inches (L x W x H)