9v battery oxygen detector for outdoor activities

{"cid":"91223243","title":"High Precision Portable Oxygen Gas Detector | 9V Battery, LCD Display & Data Logger with Sound-Light Alarm for Outdoor Activities","imgUrl":"https:\/\/img.ismap.com\/nimg\/f7\/87\/697bdd5e7b162d151e4d3e3e879c-200x200-1.jpg","attrs":{"Price":"$29 - $169","Brand Name":"GZAIR","Model Number":"SA103 O2","Minimum Order Quantity":"10","Delivery Time":"5-8 work days","Certification":"EX, CE, REACH, ROHS","Place of Origin":"China","Payment Terms":"D\/A,D\/P,T\/T,Western Union,MoneyGram","Supply Ability":"10000 pieces per month","Packaging Details":"32*36*59 cm\/carton","Product Name":"Oxygen Gas Analyzer","Sensor lifetime":"\u22652 years","Measuring range":"(0.0-30.0)% vol","Resolution":"0.1%vol","Alarm method":"Sound, light and vibration","Response time":"\u226430s (T90)"}}