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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
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Description
BENETECH GM8803 Home Indoor Air Quality Detector Haze Smog Tester PM2.5 PM10 Gas AnalyzersFeatures 1. Real time dynamic measurement of PM2. 5 PM10 concentration in air. 2. Ambient temperature and humidity measurement temperature unit conversion. 3. It has three different display mode switching. 4. Many function, MAX MIN display, data saving function, sound and light alarm settings and LCD backlight display. Specification 1. Gas Tested: Particulate Concentration of PM2. 5 PM10 in the air 2. Temperature Range: (0 5000)ug m3; Measuring Range:
Features1. Real-time dynamic measurement of PM2.5/PM10 concentration in air.
2. Ambient temperature and humidity measurement/temperature unit conversion.
3. It has three different display mode switching.
4. Many function, MAX/MIN display, data saving function, sound and light alarm settings and LCD backlight display.
Specification
1. Gas Tested: Particulate Concentration of PM2.5/PM10 in the air
2. Temperature Range: (0-5000)ug/m3; Measuring Range: 1ug/m3;
3. Resolution: 1ug/m
4. Resolution particle size: Greater than or equal 0.3um
5. Response Time: Less than or equal 10S
6. Measuring Principe: Laser diffusion Principle
7. Sensor Type: Universal digital particle concentration sensor
8. Operating Environment: 0-50 degree C, 32-122 degree F; 10-90%RH
9. Power: 3 x 1.2V Ni-MH AAA batteries(Built-in) / 5V / 1A power adapter
Specification:
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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
4.2 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Muy buenos calzados
Size: 9.5, Color: Optic White/Natural Vachetta, Size: 9.5, Color: Optic White/Natural Vachetta
Aún no los eh probado pero tienen muy buena pinta y en las primeras impresiones se sienten muy bien en los pies además que me encantan que sean de un modelo que no necesitan estar teniendo que atar los cordones
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Reviewed in the United States on April 12, 2026
★★★★★ 5
Good look and comfortable.
Size: 12, Color: Black/British Tan/Ivory
Look great and comfortable. Worth the price tag.
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Reviewed in the United States on January 14, 2026
★★★★★ 1
Poor quality control… Received a used pair
Size: 12, Color: Birch Beige/Farro/Ivory, Size: 12, Color: Birch Beige/Farro/Ivory
The shoes that were delivered showed signs of wear. Not sure if this was a used pair or a display pair but this should have been caught from the beginning. I would normally return them, but will be out of the country for the next month and don’t have the time. Unacceptable quality control from the official cole haan store front.
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Reviewed in the United States on June 4, 2026
★★★★★ 5
Great shoe
Size: 10, Color: Optic White/Natural Vachetta
Great looking and super comfortable
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Reviewed in the United States on March 30, 2026
★★★★★ 5
Thanks Jeeves!
Size: 11, Color: Raven/Quiet Shade/Ivory
They look and fit very nice! Perfect for around the mansion or the yacht club lol.
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Reviewed in the United States on March 25, 2026