MQ303A is semiconductor sensor is for Alcohol detection. It has good sensitivity and fast response to alcohol, suitable for portable alcohol detector.

Technical Specification:

• Heater voltage: 5V
• Power: <150mW
• Diameter: 9.4mm
• Size: 60mm*90mm*9mm (L*W*H)

Features:

• High sensitivity
• Fast response and resume
• Long life and low cost
• Mini size

 Applications:

• Portable alcohol detector