Feature:1. Easy to Install: The fire alarm siren horn buzzer has easy installation with a dual wiring system. Main wires terminate the sound and light warning, with the power connected to the 12 24VDC power line.2. High Brightness: The sound light fire alarm horn produces bright warning signals with built in 5 LEDs. When an alarm goes off, it shines brightly to effectively alert people to stay away from fire, ensuring quick evacuation from danger.3. Adjustable Tones: The sound light fire alarm features 3 different tones to choose from with the fire alarm system. You can select any tone you prefer for customization.4. Enhanced Safety: The sound light fire alarm strobe siren ensures enhanced safety, increasing the level of safety and lays a preparedness in case of fire.5. Versatile Usage: The fire alarm operates with DC 12V or 24V making it flexible and convenient for use in different power settings and environments, suitable for home and indoor settings.Specification:Item Type: Sound Light Fire AlarmWorking Voltage: DC12V/24VWorking Current: 75MA/150MASound Level: 105dB/115dBVoice: 3 Tones.Package List:1 x Fire Alarm2 x Expansion plugs2 x Screws