K60-V Portable Gas Detector for O2 CH4 CO H2S Multi Gas Leak Analyzer with CE Certificate K60-V Advanced High-Precision Gas Sensors 10 Hours Long Standby Working Time Real-Time LCD Display of 4 Gas Data 90dB Sound, light and vibration alarm Easy to Carry Around with Clip on Back Wide Application Suitable in Confined Space >Technical Specification Dimension 133 L×70 W×36 H mm Weight Approx. 300g Sampling Pump/ Diffusion Working Temperature - 10 °C ~ + 44 °C Environmental