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MQ 137 NH3 Gas Sensor Module for Ammonia, Carbon monoxide Detector Module Alligator clip with Cord Pack of 5 Original Arduino Due Board Original Arduino Due Board known for reliable construction IoT development platforms Carbon Monoxide (CO) Detection Range 10 300 ppm (Ammonia) Output Type Analog (AO pin) + Digital (DO pin) Operating Voltage 5V DC Heating Time 2 minutes (warm up) Operating Temperature 10 degreesC to 50 degreesC Storage Temperature 20 degreesC to 70 degreesC Humidity Range 95% RH max (non condensing) Module Size 32 x 27 x 27 mm Weight ~20 grams Origin Original Authentic Warranty 7 day warranty on manufacturing defects What's Included
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