1. With alarm prompt, with storage function, with environmental stability detection
2. Temperature and humidity measurement, support a variety of industrial temperature measurement
3. Fast measurement, 2 seconds / real-time refresh
4. After 3 seconds, automatically turn off the backlight
5. Alarm prompt: sound + display
8. Working temperature: 0-50 degrees Celsius
9. Working voltage: 4.5V
10. Resolution: 1ppm
11. Application: measuring carbon dioxide
12. Power supply mode: 3 AAA batteries (self-prepared)
13. Dimensions: 185 x 635 x 27mm
14. Weight: 172g
