... to detect sensor input (like smoke sensor, intrusion detector) and control alarm relay outputs (like turn on switch, alarm light, alarm speaker).ModelAlarm-1608: alarm box, supports 16 sensor inputs and 8 alarm relay outputs.SpecificationSpecification Alarm-1608Power Voltage ... x 125 x 30Weight (kg)1.5 Application LV-AL1608, alarm box, supports 16 sensor inputs and 8 alarm relay outputs