Shenzhen Heiman Technology Co. Limited

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2017 new 220V LPG gas alarm with valve	Promotional battery operated carbon monoxide alarm	AC 220V CE Network Natural Gas LPG Detector with Shut-off Valve, Malfunction Auto-check Indicator	AC 220V CE Network Natural Gas LPG Detector with Shut-off Valve, Malfunction Auto-check Indicator
Promotional 3V battery operated carbon monoxide sensor	Zigbee HA1.2 temperature humidity digital high-precision temperature and humidity sensor	Water leakage detector	100-240V AC Independent Gas Leakage Detector with Semiconductor Sensor, CE Mark and Solenoid Valve