Features: 1This dector can accurately detect leaking gas in closed pipeline systems. 2Detect combustible gases such as natural gas coal gas biogas and methyl hydrogen. 3With alarm indicator and sound alarm strong warning effect effectively insure the safety. 4Widely used in laboratories home improvement tools workshops pipelines etc. 5Compact size lightweight and portable design convenient for user to carry around. Specification: Condition: 100% Brand NewItem Type: Combustible Gas DetectorMaterial: Electronics + PlasticWeight: Approx. 695g/24.5ozIncludes a USB data cableSize: Approx. 12 x 6.2 x 2.6cm/4.7 x 2.4 x 1inBattery specifications: 3pcs 3A batteries (not included)Measuring Gas: Combustible gas such as natural gas coal gas biogas methyl hydrogen etc.Scope of Application: Gas measurement in laboratories home improvement tools workshops pipelines etc. most semi-enclosed areas Package List: 1 x Combustible Gas Detector1 x USB Cable1 x Tool Box Note: 1. Please allow 0‑2cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.