Feature:1. The sound and light alarm device is an alarm terminal device, and it is suitable for sound and light alarms when a fire occurs.2. The twowire system is used for wiring. The main line is terminated with two main lines, and the power supply is connected to the 12 or 24VDC power line.3. With three different tones, you can choose any tone you like.4. Builtin 6 LEDs, and the siren will emit a loud sound and a fast flash to remind people to escape the fire.5. Convenient to operate and use, and it is of high practical value.Specification:Condition: 100 percent Brand NewItem Type: Sound and Light Alarm Color: RedTemperature Range: -10-50 or 14-122Humidity Range: 95 percent RHOperating Voltage: 12 or 24VDCWorking Current: 40mA or 60mAFlash Intensity: 1.2WsFlash Period: 1.5SAudio Alarm: 105DbLife of Flash Light: 40,000 (Time)Size: 134 x 115x 48mm or 5.3 x 4.5 x 1.9in (Lx W x H)Package List:1 x Sound and Light Alarm 1 x Instruction Manual