4 Gas Monitor Detector for H2S CO LEL O2 - Portable Multi Gas Analyzer with 3000 Alarm Data Storage, High-Precision ADC Chip & 32-bit Nano Processor - Ideal for Industrial Safety, Confined Space Entry, and Hazardous Environment Monitoring

【Widely used】IP65 High quality electrochemical sensor 4 Gas Monitor，which is used in a variety area such asexplosive-proof, waterproof, and dust-proof environment etc.

【High quality & Low error】Engineering plastic, good shock resistance, high strength, high-grade exterior, dustproof, waterproof and explosion-proof, Detection error better than ≤±5% F.S. and response time T<30s

【Four ALARM MODE & Four Gas Detector 】4 Gas Detector with human voice, Adjustable audio, visual, and vibration alarms alert. easy-to-read number shown on the display,can detect hydrogen leack (H2S ) , carbon monoxide leak (CO)，oxygen leak (O2)，Combustible

【Easy to carry & Large battery capacity】The gas mo has a stainless steel clip on the back side, which can be easily clipped on your clothes, pocket or belt to keep you safety and comfortable working in confined space, 1800 mAh fast charging lithium battery .

【Customer Service 】The four gas detector guaranteed for 2 years from the time of purchase, We provide no reason to refund service. If you are not satisfied with the product or have any questions, please feel free to contact us, we will reply within 24 hours.