... manufactured according to customer's special request for PW-916 co detector. Features:1.Sensor Type: Electrochemical;2.Non- ... .Easy to install, move and maintain;14.5 years limited warranty;Specifications: Sensor TypeElectrochemicalPower Source3*AA 1.5V battery( ... (smoke alarm), heat detectors (heat alarm), carbon monoxide detectors (CO alarm), gas detectors (gas alarm), water detectors (water alarm), ...