AC110-220V Wired Carbon Monoxide & Gas Detector Description: - High reliability dual sensor design - MCU processing adopted - Malfunction auto-check indicator - Designed to detect Natural GAS, LPG, CO - SMT manufacture technology, good stability - Be able to work with electromagnetic valve or exhaust fan - Easy for installation Parameter: - Operating voltage: AC110-220V - Alarm mode: ...AC110-220V Wired Carbon Monoxide & Gas Detector Description: - High reliabi...