Function: Detects the presence of hydrogen (H₂) gas in the air.

Sensor Type: Semiconductor gas sensor (SnO₂) with high sensitivity to hydrogen.

Detection Range: 100 ppm to 10,000 ppm (parts per million) of hydrogen gas.

Power Supply: 5V DC (typical operating voltage).

Preheat Time: Requires 24–48 hours of initial preheating for accurate readings.

Onboard Indicators: Power LED and digital output status LED for easy debugging.

Adjustable Sensitivity: Built-in potentiometer to calibrate digital output trigger level.

Durability: Long life and low-cost gas detection solution with stable and reliable performance.

Mounting: Comes with 4 mounting holes for easy integration into enclosures or project boards.