This portable air quality tester features a stable performance and high detection accuracy sensor, supporting real-time monitoring of CO concentration, temperature, and relative humidity in the air. The digital TFT LCD display includes an automatic brightness adjustment function for easy readability. It offers air quality level classification, Type-C interface detection, and touch buttons to meet your usage needs. With multiple customization options such as screen-off time, CO calibration, temperature unit switching, sound, and vibrating switch, your experience is more personalized and convenient. Its 3D porous housing with multiple ventilation holes ensures real-time air circulation, providing high sensitivity and accurate detection of small particle content. It is versatile for various occasions. Features: Compact and Exquisite: Featuring a compact design with a simple, stylish appearance, this tester is lightweight and easy to carry. Its 3D porous housing with multiple ventilation holes allows for real-time air circulation, ensuring accurate and sensitive detection of small particles. CO CO2 Concentration, Temperature & Humidity Measurement: Equipped with a high-performance infrared carbon dioxide sensor, electrochemical sensor, and high-precision optical sensor for real-time monitoring of CO and CO2 concentrations, temperature, and humidity. Designed to deliver precise data in challenging environments with high sensitivity and low power consumption. Air Quality Classification & Intelligent Alarm: Offers an air quality classification function, with four colors indicating different CO concentration levels. Triggered by a 25PPM carbon monoxide concentration, the device vibrates and emits a sound alarm to prompt safety measures for you and your family. Multi-function Design: Includes Type-C interface detection, touch buttons, and multiple customization settings such as screen-off time, CO calibration, temperature unit switching, sound, and vibrating switches for a personalized and convenient user experience. Intelligent Energy Saving and Humanized Design: The display automatically adjusts brightness based on ambient light to conserve power. Monitor carbon monoxide levels even with the screen off to extend battery life. Supports USB Type-C charging and includes an 800mAh lithium battery for extended use. Convenient to Carry & Widely Used: Lightweight lanyard design for easy portability, ideal for homes, greenhouses, camping, factories, automobiles, and environmental monitoring. Specifications: Name: Air Quality Tester Material: Plastic Color: White, Orange (optional) Battery: 800mAh built-in lithium battery (included) Power Supply: 5V, 2A Type-C interface Intelligent Alarm: Green: 0-24 PPM, no reaction. Yellow: 25-49 PPM, vibrates & rattles continuously 3 times per minute. Orange: 50-99 PPM, vibrates & rattles continuously 5 times per minute. Red: 100 PPM or more, continuous vibrating and rattling. CO Detection Ranges: 0-999ppm CO Detection Accuracy: ±(10+5%*of reading)PPM Temperature Detection Ranges: 0-50℃ Temperature Detection Accuracy: ±1℃ Humidity Detection Ranges: 0-99%RH Humidity Detection Accuracy: ±5%RH Item Size: 50 x 85 x 17mm / 1.97 x 3.35 x 0.67in Item Weight: 54g / 1.90 ounces Package Size: 135 x 96 x 31mm / 5.31 x 3.78 x 1.22in Package Weight: 130g / 4.59 ounces Packing List: 1 x Air Quality Tester 1 x Type-C Cable 1 x Lanyard 1 x Instruction Manual
