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Carbon Monoxide Gas Alarm Sensor Poisoning Smoke Gas Tester Human Voice Warning Detector For Alarm System

$39.00
Product Introduction This product is a smart carbon monoxide detector with voice prompt, microprocessor control, support displaying of the carbon

DM300C High Frequency Chemical Combination Moisture Meter for Powder/Silver Sand /Soil Moisture Meter

$132.20
Features: It is portable, compact, easy to use and the moisture measurement readings are instant. Digital display with back light