Oxygen Detector Oxygen Detector Air Oxygen Concentration Gas Oxygen Content Detector Industrial Oxygen Detector Sunglasses Handling Simple High Efficiency Energy-SavingLong

Handling Simple High Efficiency Energy-SavingLong Service Life Low Maintenance Cost

【 High-Quality Materials】This sunglasses are made of high-quality resin lenses and a PC frame that is durable enough for long time using and easy to clean

Multiple charging methods:Equipped with a Micro-USB charging port

providing a solid backing for the realization of powerful functions

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Oxygen Detector Oxygen Detector Air Oxygen Concentration Gas Oxygen Content Detector Industrial Oxygen Detector Sunglasses Handling Simple High Efficiency Energy-SavingLongShips FREE Handling Day: 1 3 Days, Arriving Day: 15 35 Days[SHORTDESCRIPTION] Introduction: Used to measure the oxygen content in the air, imported high precision sensor, can also measure the ambient temperature and humidity, high definition color screen ^_^: aec6e7a6133efdd2bd5dea0345db0b44 ^_^: df71584a6aeaeaf8a12e31c4a4e1b82e