Carbon Monoxide Detector Description: 1. Product model：AK-200FC/C2 2 Gas detected: Carbon monoxide 3. Sensor: Electrochemical sensor(Japanese) 4. CO Alarm 5. 12V DC Working Voltage 6. wired networking(NO, NC) 7. Electrochemical Sensor 8. Working voltage: AC220V/AC110V 12VDC-20VDC (Optional) 9. Working environment: Humidity: 25%-85% Temperature: 0℃-50℃ 10. Networking: wired networking(NO, NC) (Optional) 11. Wireless networking mode: 315MHZ/433MHZ (2262 OR 1527)(Optional) 12. Size: 115mm*71.4mm*40mm