Refer to the following list for a summary of the applications and specications of the town gas leak alarm.27Town Gas Leak Alarm: Function ListModelApplicationMounting locationAlarmPower supplyFireGasCOAdditional functionSignal outputHeatSmoke1YP-776HouseholdWallVoiceAC 100 V○−○○−Voltage2YP-768HouseholdCeilingVoiceAC 100 V○−○○−Voltage3YP-774HouseholdWallVoiceAC 100 V−○○○−Voltage4YP-756FEHouseholdWallVoiceAC 100 V−−○○Emergency/night lightVoltage5YP-756FHouseholdWallVoiceAC 100 V−−○○−Voltage6YP-764FHouseholdCeilingVoiceAC 100 V−−○○−Voltage7YF-760MCHouseholdCommercialWallVoice/BuzzerSwitching methodAC 100 V−−○○−Voltage8YF-761MCHouseholdCommercialCeilingVoice/BuzzerSwitching methodAC 100 V−−○○−Voltage9YP-550AHouseholdWallVoiceAC 100 V−−○−−Voltage10YF-550HouseholdWallBuzzerAC 100 V−−○−−Voltage11YF-551(For heavy gas)HouseholdWallBuzzerAC 100 V−−○−−Voltage12YF-561AHouseholdCommercialCeilingVoice/BuzzerSwitching methodAC 100 V−−○−−Voltage13YF-517CCommercialCeilingBuzzerDC 24 V−−○−−Voltage14YF-814HouseholdCommercialWallBuzzer + voiceAC 100 V−−○−Night light−15YK-210AHouseholdWallVoiceBattery type−○−○−−16YZ-220Bathroom/Except bathroomWallVoiceBattery type−−−○−−17YZ-165CCommercialWallVoiceBattery type−−−○−a-contactTown Gas Leak Alarm: Function List
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