Product Name: Total Digital Gas Indicators (Tetga01) Country of origin: China manufacturer: (Total, Total) Product Description: Easy to use high quality resistant to scratching suitable for home uses easy to clean LCD Technical specifications: Detain the entire device (mm) 28.4 x 12.2 x 4.8 CM weight (gram) 422 range (methane) 9999-0 PPM speed speed, very fast accuracy (methane) %5 allergies (methane)> 500 reaction speed> 2 seconds preparedness 120 seconds the model tetga01