<p>Compact body, portable,Small design, easy to carry.</p> <p>Real-time detection, intelligent cycle alarm with beeping sound,Prevent danger from happening.</p> <p>High-precision electrochemical CO sensor for more accurate detection,Built-in electrochemical carbon monoxide detection high-performance chip to obtain accurate data.</p> <p>TFT high-definition color screen display, the value is clear at a glance,High-definition large screen, more intuitive and convenient to read, can also view time and date, can export data, clear and easy to read.</p> <p>Double-sided porous air duct design for sensitive and accurate detection,Multi-hole double-sided design, real-time circulation convection monitoring is more accurate.</p> <p>Product name:CO concentration detector</p> <p>Detection range:0-999ppm</p> <p>Working voltage:5V</p> <p>Warm-up time:No preheating required</p> <p>Data refresh frequency:1s</p> <p>Working humidity:0-95%RH</p> <p>Working temperature:-20-60\u00B0C</p> <p>Charging method:Type-C interface</p> <p>Colour:As Shown</p> <p>Material:ABS</p> <p>Package Contents:</p> <p>1 * CO Tester</p> <p>Only the above package content, other products are not included.</p> <p>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.</p>