Product description:

100% brand new and high quality
Input Voltage: DC5V
Current: 150mA
DO Output: TTL 0 and1 (0.1 and 5V)
AO Output: 0.1 - 0.3V
Crystals: 11.0592 MHZ
Baud Rate: 9600
Module Features:
High quality double panel design, with power supply indicators and TTL signal output instructions
TTL output and AO analog signal output
Four screw holes to facilitate positioning
Rapid response recovery features
Stability of long service life and reliable
Size: 35*23*27mm/1.37*0.9*1.06"
 
Package Included:

1PCS * MQ-8 MQ8 Hydrogen Gas Sensor Module Gas Sensor Alarm Module For Arduino

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