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
