Feature:1. This oxygen detector is beautiful in appearance, easy to operate, accurate in measurement, sturdy and durable.2. This product with original imported gas sensor, high accuracy, strong stability, low bit error rate, good linearity.3. It can effectively predict the concentration of dangerous gas and alarm to ensure that the safety of employees is not threatened and the production equipment is not damaged.4. The product is made of high quality ABS material, with sound and light alarm mode, durable and easy to carry.5. Widely used in petroleum, chemical, environmental protection, metallurgy and other industries and places that require safety monitoring of toxic, harmful, and explosion proof.Specification:Item Type: Oxygen DetectorMaterial: ABSPlug Voltage: AC 100-240VDetection Gas: OxygenDetection Principle: ElectrochemistryDetection Method: Pump suctionDetection Accuracy: ≤ ±3%F.SResponse Time: 90sData Storage: 100,000Alarm Method: Sound and light reportApplication: Petroleum, chemical, environmental protection, metallurgy, oil refining, gas, biochemical medicine, agriculture, fire protection, archaeology and other industries and places that require safety monitoring of toxic, harmful, and explosion proofBattery: Lithium battery (Battery Included)Battery Capacity: 2500mAh Package List:1 x Oxygen Detector (Battery Included)1 x Data Line1 x Charger1 x ManualNote:Please refer to the instruction manual