Henan Hanwei Electronics Co. Ltd

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220/110V AC Combustible Gas Detector/Alarm, Compliant with EN50194 Standard	Bill and Coin-operated Alcohol Tester with Fuel Cell Sensor	Different Icon Indication with Illustration, 6 Relay Output and LED Display	Portable Gas Leak Detector for Automobiles, with Adjustable Sensitivity
CD4 Multi-gas Detector with 80 to 116kPa Air Pressure and 3.7V Rated Voltage	Explosion-proof Acousto-optic Annunciator