Gas Detector, Portable 4 Gas Monitor with Audible & Visual AlarmH2S,O2,CO and EX Rechargeable Gas Sniffer Alarm with LCD Display (Black)

【Gas Leak Detector】Handheld 4 gas detector with high quality imported gas sensor，Gas monitor is suitable for carbon monoxide (CO), oxygen (O2), hydrogen sulfide (H2S), and combustibles (EX).When the concentration of toxic gases in the air is too high,the gas leak detector will remind you to escape the dangerous area in four ways: human voice, 120 dB alarm, vibration, sound and light, 【Display and Battery】Detection error better than ≤±5% F.S. and response time: T<30s. Zero and span calibration options. Natural gas detector has an LCD display that allows you to read screen data in a closed or dark environment.The 1800mAh high-capacity lithium battery ensures you can use it for a long time, 【Technical advantage】We Portable 4 Gas Monitor use high quality imported gas sensors for specific excellent sensitivity. Use voice prompts to quickly understand the product.When you are in a hypoxic environment and you don't want it to sound an alarm all the time, you can adjust it to the threshold (range) you want.Comes FACTORY CALIBRATED, open and use it directly., 【Materials】High strength engineering plastic, with good shock-proof, dust-proof, waterproof, explosion-proof functions.The unique clip design allows you to clip it to your clothes or pants while you work, 【Perfect after-sales】We provide 360 days of after-sales service and lifetime technical support. When you have any questions or are not satisfied with our Portable 4 gas detecto, please contact us, we will give you a satisfactory solution, replacement or refund

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