Strong anti-interference capability, excellent stability, and fast response and recovery times. High-precision chip, high reliability, excellent performance, and low power consumption. Fixed mounting holes: No drilling required, easy installation, and strong environmental adaptability. Model: TPM-200A-CO Detected Gas: Carbon Monoxide (CO) Output Data: PC (3.3V) / URAT (3.3V) Operating Voltage: DC 3.5-5V (Reverse Polarity Protection) Warm-up Time: 5 seconds Response Time: 10 seconds Detection Range: 0-1000ppm Operating Temperature: -10C to 40C Operating Humidity: 95% RH Storage Temperature: 10C to 40C Color: White Material: PCB Package Contents: 1 * CO Sensor Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.