Oxygen Detector O2 Gas Concentration Leakage Detector Handheld Air Oxygen Content Tester Oxygen Detector Audible And Visual Alarm Diagonal Pliers [customized] size and printing

[customized] size and printing

longer service life

lithium battery direct charge convenient and fast

Main product x 1 instruction x 1 Certificate x 1

tools are not easy to fall out

Oxygen Detector O2 Gas Concentration Leakage Detector Handheld Air Oxygen Content Tester Oxygen Detector Audible And Visual Alarm Diagonal Pliers [customized] size and printingShips FREE Handling Day: 1 3 Days, Arriving Day: 15 35 Days[SHORTDESCRIPTION] Packing List Oxygen detector * 1 Features Professional electrochemical sensorIn the event of an accidental fall, it still protects the sensor from damage so that you can safely use it. High quality rubber touch buttonAdopt high quality rubber material, light touch comfortable, easy to operate for a long time, not easy to fall off. 3. 7V large capacity rechargeable lithium