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- USA
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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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Description
WINTACT WT8811 Compoud Gas Monitor LCD Display Rechargeable Multifunction 4 in1 Combustible O2 H2S CO Gas Sensor Sound-light Vibration AlarmFeatures 1. Color screen display, user friendly interface. 2. Bilingual choices: Chinese English. 3. Three alarm forms: sound light vibration . 4. Data recording and review function, continuously record 5. 120,000 data logging. 6. Charging function. Specification Compound Gas Monitor Range Measuring item and Unit 1. Combustible gas LEL %LEL 2. Oxygen O2 %VOL 3. Hydrogen sulfide H2S mol mol 4. Carbon Monoxide CO mol mol Range: 1. Combustible gas LEL:
Features1.Color-screen display, user-friendly interface.
2.Bilingual choices:Chinese/English.
3.Three alarm forms:sound/light/vibration .
4.Data recording and review function, continuously record
5.120,000 data logging.
6.Charging function.
Specification
Compound Gas Monitor Range
Measuring item and Unit
1.Combustible gas LEL %LEL
2.Oxygen O2 %VOL
3.Hydrogen sulfide H2S μmol/mol
4.Carbon Monoxide CO μmol/mol
Range:
1.Combustible gas LEL: 0~100
2.Oxygen O2 : 0~30
3.Hydrogen sulfide H2S:0~100
4.Carbon Monoxide CO :0~1000
Resolution
1.Combustible gas LEL: 0.1
2.Oxygen O2 : 0.1
3.Hydrogen sulfide H2S:0.1
4.Carbon Monoxide CO :1
Accuracy: When the measuring range is(0~50)mol/mol,maximum allowable error is:5mol/mol.
When the measuring range is(50~1000)mol/mol,maximum allowable error is:10%
Indication model:LCD display real-time date and system state,LED,sound,vibration indication alarm
Response Time(90%): Less than 30 seconds
Alarm: Sound and light vibration alarm
Alarm Point: Adjustable
Working Voltage: DC3.7V, 1800mAh
Battery Model: LP103450-1800mAh rechargeable lithium battery
Explosion-proof Certificate NO.: CNEx 18.5122
Explosion-proof Mark: Ex ib IIB T3 Gb
Operating Conditions: -20～50℃ / -4～122℉, < 95%
Storage Conditions: -10～55℃ / 14～122℉, < 85%
charging time:6-8h
standby time:more than 8h on end (slightly change with working state)
Item Size: 71 * 153* 49mm
Package included
1 * Carbon Monoxide Monitor
1 * Plastic Pipe
1 * USB Cable
1 * Gas Calibration Cover
1 * Storage Box
1 * User Manual
Specification:
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| Package Weight |
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 2438 reviews
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Product Reviews
★★★★★ 5
Super light and breathable, great for golf
Size: Medium, Color: White Golf Flag
I picked up the Obla Mens Golf Polo Shirt Dry Fit Performance and it’s been a great shirt for the course.
The fabric is thin and stretchy, which makes it really comfortable and easy to move in. It breathes well, so you don’t feel overheated even when you’re out there for a while. Honestly, it’s so light it almost feels like you’re not wearing a shirt.
The pattern looks great too, and the fit is on point, not too tight, not too loose.
Pros:
Lightweight and breathable
Stretchy and comfortable
Nice pattern/design
Fits really well
Cons:
None so far
Overall:
Great golf shirt if you want something light and comfortable. Definitely one I’d pick up again
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Reviewed in the United States on April 20, 2026
★★★★★ 5
Attractive shirt and a great value
Size: X-Large, Color: Deep Purple Sunflower
Surprised by the quality. It looks more expensive than it was. It's an excellent value and fit perfectly. It's not boxy or sloppy, but looks trim and professional. The fabric is a perfect weight for Spring and Summer, and the colors and pattern are really nice. It laundered like a dream. With no shrinkage.
This is versatile enough to wear on the golf course, or dressed up with a sport jacket over it.
Great buy.
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Reviewed in the United States on May 13, 2026
★★★★★ 5
💲Good Value💲
Size: Large, Color: Pink Colored Dots
Purchased three in large, nice cut and fit, attractive colors/patterns, excellent price point, moderate weight material. From a few feet away these shirts look as good as a $100 polo. Under close inspection they are still nice but not designer quality. That’s fine, as the intended purpose is for golf in the Florida heat. Unlikely to shrink or fade as the material is synthetic. Economical and attractive shirts especially if you don’t care about designer labels. Hope this review was useful/helpful. ☮️
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Great shirt for a great price
Size: Large, Color: White Golf Clubs
Love this shirt and ordered and received one more already. Also, lots of patterns and colors. Lightweight, perfect fit and collar holds up nicely. Has an SPF 50 to protect you when you’re out in the sun, even though it’s a lightweight shirt. It is breathable and has the quick dry wicking feature. Price is great. Highly recommend.
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Reviewed in the United States on May 20, 2026
★★★★★ 4
Nice overall
Size: Large, Color: Red Flower
Great looking shirt even though collar is not especially stable. Seem like it will be durable. The one thing I have noticed about these moisture wicking shirts is they don’t seem to be especially breathable which leads too more moisture. Good fit, great color and cut just right for a guy who is no longer like Big John, “broad at the shoulders and narrow at the hips” with a tail just right for the untucked look.
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Reviewed in the United States on June 10, 2026