6-in-1 multifunctional air quality monitor with portable design, suitable for indoor spaces. Detects CO, formaldehyde (HCHO), TVOC, temperature, and humidity, with date and time display. Specifications: - Color: As shown in the picture - CO Detection Range: 0-500 PPM, ±10% PPM; Sensitivity: 1PPM - TVOC Detection Range: 0-2.0 mg/m³ - HCHO Detection Range: 0-0.6 mg/m³ - Storage Temperature: -20~55°C - Temp Measurement Range: -10~50°C; Accuracy: ±2°C - Humidity Measurement Range: 0%~99% RH; Accuracy: ±3% RH - Charging: DC5V 1A micro USB interface - Battery: Built-in lithium battery 1200mAh - Material: ABS - Item Size: 94*94*30mm / 3.7*3.7*1.18 inch; Weight: 123g / 4.34oz - Package Size: 153*110*36mm / 6.02*4.33*1.42 inch; Weight: 187g / 6.6oz Package List: 1*Air Quality Detector, 1*Charging Cable, 1*User Manual (English)