... manufactured according to customer's special request for PW-916 co detector. Features:1.Sensor Type: Electrochemical;2.Non- ... easy installation;10.Silence function with 3 led indicators;11.CO Sensitivity meets EN50291 or UL2034;12.Alarm Sound Level: ... detectors(smoke alarm), heat detectors (heat alarm), carbon monoxide detectors (CO alarm), gas detectors (gas alarm), water detectors (water alarm), ...