Main chip: LM393,MQ-135 gas sensor
Dual signal output (analog output, and TTL level output)
with high sensitivity and good selectivity for Sulfide, benzene Department of steam, smoke and other harmful gases
With signal output indicator instructions
Size:36mm X24mm X25mm(L * W * H)

Pacakge includes:

1 X MQ-135 air quality sensor

Note: all the descriptions and prices are subject to change without prior notice.

Free Shipping: No

Shipping Weight/Unit(g): 0.00

Std. Packing Qty. (pcs): 1

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