1、【Compact and Exquisite】: Compact body design, simple and stylish appearance, lightweight, and easy to carry. The product features a surface refined by an anodizing process, resulting in a beautiful and high-gloss appearance. With increased hardness and corrosion resistance, ensuring long extended lifespan. 2、【Carbon Monoxide Concentration & Temperature & Humidity Measurement】: Multifunctional design, it supports real-time detect the carbon monoxide concentration, temperature and humidity data at the same time. 3、【Precise Sensor】: Built-in stable-performance sensor to ensure obtained accurate data easily in harsh environments. High sensitivity, ultra-low power consumption, quick computing speed, and the detection results are more accurate. 4、【Digital Display】: Equipped with digital 0.96-inch TFT display, you can see the real time data clearly at a glance, allowing you to understand the current air condition more accurately and graphically. 5、【Multi-function Design】: This product combines built-in 400mAh lithium battery, Type-C charging interface, multifunction buttons, buzzer alarm, and other functions to meet your usage needs, ensuring a long service time. 6、【Wide Applications】: It can be widely used in a variety of occasions, such as homes, greenhouses, camping barbecues, factories, automobiles, environmental detecting, and so on. Name: Air Quality Tester Material: aluminum  alloy + ABS Battery: 1 * built-in 400mAh lithium battery (included) Charging interface: Type-C Display: 0.96-inch TFT display Display resolution: 80*160px Sensor: electrochemical carbon monoxide sensor Carbon monoxide detection ranges: 0-999ppm Measurement error: 50PPM or ±5% of reading Temperature detection ranges: -10℃ to 50℃ Temperature detection accuracy: ±1℃ Humility detection ranges: 5-95%RH Humility detection accuracy: ±5%RH Intelligent alarm: Green: 0-30 PPM, green UI and green LED indicator, blinking every 2 seconds Yellow: 31-100PPM, yellow UI and yellow LEDs, blinking every 1 sec. Red: Above 101PPM, red UI and red LEDs, blinking every 0.5 seconds and triggering a beep until it falls below 101 or until a button is pressed to turn off the beeping alarm Item size: 15 * 26 *68 mm / 0.59 * 1.02 * 2.68in Item weight: 40g / 1.41ounce Package size: 24 * 76 * 111mm / 0.94 * 2.99 * 4.37in Package weight: 90g / 3.17ounce Packing List: 1 * Air Quality Tester 1 * Type-C Cable 1 * Instruction Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store