Detection range: VOC Index 0-500 (covering all daily scenarios);Working voltage: 3.3V ± 10%;Power consumption: 0.95mA (running)/0.05 μ A (standby);Working temperature: -10 ° C~+50 ° C; I ² C Address: Fixed 0x59;Interface type: STEMMA QT/Qwiic (I ² C welding free);Core chip: generation SGP40; Intelligent output of VOC index:Directly output VOC Index (0-500 scale) to determine air quality without complex calibration:0-100: Excellent ✅;100-200: Medium ⚠️;200: Poor ❌;Response time: ≤ 2 seconds, dynamically tracking instantaneous changes in human breath, formaldehyde release, etc; Application Scenario:Smart home: linkage of fresh air system (VOC>150 automatic ventilation);Vehicle purification: Real time monitoring of formaldehyde/smoke odor inside the car; Medical Health: Environmental Warning Device for Asthma Patients;Building control: auxiliary monitoring of CO ₂ accumulation in conference rooms;Principle of Accurate VOC Monitoring;Accurate detection of volatile organic compounds;Ultra low power design; Color: Black Material: plastic Package Contents: 1*SGP40 VOC 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.