DS4-O2-30%-THT Smart Oxygen Sensor · Low power design, wide supply voltage range of 3.3 to 12V DC, recommended 5V DC · Wide operating temperature and humidity range from -40°C to +75°C (can withstand short-term high temperature shocks of 85°C) · Strong long-term stability of zero point · Fast response speed, capable of quickly capturing changes in gas concentration · Good linearity · Poisoning resistance, long lifespan · Solidified design of the electrolyte to prevent leakage caused by high humidity environments or material aging