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Coreel Portable 4 Gas Detector Sound Light Vibration Multi-Gas Monitor Meter Rechargeable LCD Screen Backlight -Ready to Use…

Wide Application Easy Carrying Around: This multi-gas monitor detector comes with a super nice padded case with compact size and clip design. Easy to....
High Sensitive and Accurate Measurement: The portable 4 gas detector with high quality imported gas sensor, excellent sensitivity and excellent....
Three Alarm Methods: The portable gas detector is ready to use, comes with adjustable audio, visual, and vibration alarms alert when preset levels are....
Waterproof,dust-proof, explosion-proof and lower error: Detection error better than ≤±5% F.S. and response time: T.
【100% Satisfied Warranty】2 YEARS LIMITED WARRANTY, If your gas detector has any quality problem, please contact us by Email. we will give you a....

Wide Application Easy Carrying Around: This multi gas monitor comes with a wonderful silver case with compact size and clip design. Easy to use with a....
High Sensitive and Accurate Measurement: The portable 4 gas monitor comes with high quality imported gas sensor, excellent sensitivity and excellent....
Three Alarm Methods: The portable gas detector is ready to use, FACTORY CALIBRATED, comes with adjustable audio, visual, and vibration alarms alert....
Waterproof,dust-proof, explosion-proof and lower error: Detection error better than ≤±5% F.S. and response time: T.
【100% Satisfied Warranty】2 YEARS LIMITED WARRANTY. If your gas detector has any quality problem, please contact us by Email. We will give you a....

...protractor makes it easy to measure internal/external angles and fast measurements Length . Suitable for woodworking, construction, drafting and other fields..
【High durability and precision】:This digital protractor is made of corrosion-resistant stainless steel straightedge, laser scale straightedge measurement error 1mm, Measuring Range: 0-360°.
【Lock, Zero, Hold and Degree conversion Functions】This protractor can be locked at any angle by rotating the Locking Knob and pressing the HOLD function button will hold the reading.Long press on the "Rev" button, the display can be converted ° and ′. Zero button can reset the angle measuring tool at any time..
【Large LCD Display &2 Batteries Included 】 Auzof digital protractor is equipped with a large LCD display for easy reading Resolution 0.1° Clear readings even in low light conditions,Also It comes with a CR2032 button battery inside, you can use it directly when you receive it. We also give you a additional battery as a spare..
【Wide range of applications】Combining the functions of a digital angle meter and a protractor, it can be used to measure all the angles in your workshop for a wide range of uses, such as checking the angle of ....