Product name:MINI CO2 Monitor
Supply voltage:DC5V/0.5A. Battery:900mAH
Solubility test:Detection range:400-5000ppm
Charging port:USB Type-c
Use NDIR non-scattering infrared sensor,high resolution screen,high precision smart chip.real time detection,use air convection design,900mAH battery capacity,400-5000ppm detection range.Small and portable, the size of a business card.You can hang it on your bag and carry it wherever you go.