xla alert portable gas detector, gas clip 4 gas monitor meter tester analyzer, rechargeable lcd display sound light shock air quality tester, 2 year detector... xla alert <b>dear friend, welcome to xla air gas detector</b><br> this 4-in-1 detector is definitely the right choice to protect you and your family's health and property.<br>xla air is a business company specializing in the development, production of gas detectors, all of our products are in high quality but very competitive price. thank you for visiting! <br><br> <b>our multi-gas detector used advanced integrated circuit technology, embedded microcomputer control, high quality imported gas sensor, excellent sensitivity and excellent repeatability</b><br><br> <b>applicable occasions and crowds:</b><br> robust for industrial use for utility workers, refinery workers, firefighters, maintenance engineers, those who spend time in sewers and waterworks, underground storage tanks, oil rigs, in tanks and silos in the maritime industry, and many others who need personal protective equipment<br><br> <b>gas type range low alarm point high alarm point resolution:</b><br> lel: 0-100% with 1% resolution<br> o2: 0-30% with 0.1% resolution<br> co: 0-1000 with 1ppm resolution<br> h2s: 0-100ppm with 1ppm resolution<br> <br> <b>product parameters:</b><br> <b>comes factory calibrated</b><br> display error: ≤±5% fs<br> response time: <30s<br> working environment: -20°c~50°c, <95%rh (no dew)<br> power source: dc3.7v li-on battery, 1800mah<br> protection level: ip65<br> gas sensor life: 2 years<br> protection grade: ip65<br> weight: 230g (with battery)<br> dimensions: 140mm×73mm×32mm (l × w × h)<br> weight: 215g<br> charging time: 4h-6h standby time, continuous use for more than 10 hours at full charge<br> indication mode: lcd display real-time data and system status, lighting, vibration and live voice recording (chinese and english) tips<br><br> <b>100% customer satisfaction. 100% qa by real sensor and gas detector engineer<br>