Feature 1With a compact body, it is lightweight and portable, and can be easily held for measurement in various situations. 2Dual alarm, it supports dual alarm prompts of sound and light, and can prompt when the gas concentration exceeds the standard. 3LCD display, its screen is clear, supports backlight function, and can detect in the dark. 4Electrochemical sensor, it is sensitive and can quickly sense data when detecting gas. 5It is suitable for detecting and searching for combustible gas in almost all situations with combustible gas, fog and residue.Item Type: Gas DetectorWeight: Approx. 630g / 22.2ozMaterial: ABSSensor: ElectrochemicalDisplay Mode: LCD Display (with Backlight)Measuring Range: 0-1000ppmMeasurement Error: 5%Resolution: 1ppmSensitivity: Not AdjustableResponse Time: Less than 30 SecondsSampling Method: Diffusion TypeAlarm Method: Sound/LightAlarm Value: AdjustableContinuous Working Time: About 6-8 HoursEnvironment Temperature: 0-50Product Size: Approx. 68x25x120mm / 2.7x1.0x4.7inBattery: 3x1.5V AAA Dry Battery (Battery Not Included)Purpose: It is suitable for detecting and searching for combustible gas in almost all situations with combustible gas, fog and residue. Such as: gas pipeline, propane flushing station, cabin oil leakage, exhaust gas and fuel oil leakage, leakage of inspection ports, etc. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Host(Battery Not Included)1 x Manual1 x Suitcase