2.8-inch LCD CO2 Concentration Tester Mini Carbon Dioxide Detector Humidity & Temperature Meter Air Quality Monitor 1200mAh Lithium Battery CO2 Meter

Features:
2.8-inch large screen simultaneously display the current CO2 concentration, temperature, humidity and battery indicator.
1s automatic refresh detection data, real-time monitoring, stable and reliable.
4pcs color light bar(green, yellow, orange, and red) indicate for the corresponding CO2 concentration.
One button control, short press to switch the temperature unit between ℃ and ℉, long press to ON/OFF the detector.
Built in with 1200mAh rechargeable lithium battery, no need to change battery, economical and environment-friendly.
Compact portable size with simple modern appearance, suitable for home, office, dormitory, warehouse, etc.

Specifications:
Color: Black / White (Optional)
Material: ABS
CO2 Detection Range: 400~5000PPM
CO2 Detection Sensitivity: 1PPM
Temperature Measurement Range: 0~50℃
Temperature Measurement Accuracy: ±1℃
Humidity Measurement Range: 0%-99%RH
Humidity Measurement Accuracy: ±5%RH
Anti-interference: 47.22%
Respond Time: ≤60s
Working Voltage: 3.7V
Charging Mode: USB 500mA Type-C interface
Battery: 1200mAh built-in lithium battery
Item Size: 90 * 70 * 40mm / 3.54 * 2.76 * 1.57in
Item Weight: 146g / 5.18oz
Package Weight: 220g / 7.78oz
Package Size: 11.5 * 11.5 * 4.5cm / 4.53 * 4.53 * 1.77in

Packing List:
1 * Detector
1 * Charging Cable