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Description
R&D INSTRUMENTS RD900 High-Sensitivity Rapid Screening Alcohol Tester Portable Breath Alcohol Detector, RD9001. Automatic alarm with three color detection indicator. Display screen combined with lights and buzzer alerts for clear, easy to understand drunk driving detection 2. Triple alarm system for test results: audible alert, tri color light warning, and display notification. Instantly identifies and eliminates drunk driving risks 3. High definition color LCD screen for clear, at a glance measurement data 4. High capacity lithium battery ensures long
1. Automatic alarm with three-color detection indicator. Display screen combined with lights and buzzer alerts for clear, easy-to-understand drunk driving detection
2. Triple-alarm system for test results: audible alert, tri-color light warning, and display notification. Instantly identifies and eliminates drunk driving risks
3. High-definition color LCD screen for clear, at-a-glance measurement data
4. High-capacity lithium battery ensures long-lasting performance. Type-C charging provides extended battery life
5. High-precision smart chip and ultra-sensitive sensor deliver accurate, responsive readings. Supports consecutive multi-user testing for enhanced precision
6. Scientifically designed air pathway filters impurities and alcohol for enhanced measurement accuracy
7. Historical test records support consecutive multi-user testing. Stores up to 9 test sets with power-off memory. Press MEM to review records; long press to clear
Specifications
1. Warm-up time: 10 seconds
2. Sensing time: 5 seconds
3. Measurement accuracy: ±10%
4. Alarm method: LED indicator and buzzer
5. Display: 2.5-inch color LCD screen
6. Battery: built-in 3.7V, 320mAh lithium battery
7. Charging port: Type-C
8. Charging voltage: DC 5V
9. Charging current: less than 1A
10. Size: about 13 x 6.58 x 2.26cm
11. Weight: about 120g
Specification:
| 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 15 reviews
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Product Reviews
★★★★★ 5
Luxurious look and feel
Size: Queen (2 Count), Color: Gray
These satin pillowcases in silver are so luxurious looking and feeling! I flop around at night and need a pillowcase like this to prevent the rats’ nests that form in my fine hair.
The stitching is even and tight with no loose threads that I could see. The envelope pocket is plenty deep to keep your pillow contained.
I didn’t see any washing instructions but from experience I will give them a quick handwashing in the sink and hang to dry.
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Reviewed in the United States on October 14, 2025
★★★★★ 2
Nice Idea, Disappointing Reality
Size: Queen (2 Count), Color: Gray
I really wanted to love these satin pillowcases, but they fell short. While they look nice at first and feel cool when you lay down, the material is very slippery and constantly slides around during the night. By morning, the pillowcase is usually twisted or halfway off the pillow.
They also feel thinner than expected and don’t hold up well after washing, even on a gentle cycle. For the price, I was hoping for better quality and durability. They might work for occasional use, but they didn’t meet my expectations for everyday sleep.
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Reviewed in the United States on January 19, 2026
★★★★★ 5
It works! Quality pillow.
Size: Standard (1 Count), Color: Original White (Cooling)
This does actually provide a cooling effect, and it's very comfortable! The accompanying literature is helpful too. I believe this to be a quality pillow for the price.
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Reviewed in the United States on June 2, 2026
★★★★★ 5
Most comfortable pillow I’ve ever slept on
Size: Queen (1 Count), Color: Crescent White(cooling)
This is the most comfortable pillow I have ever slept on. It doesn't mash down like other pillows. Cradles my neck perfectly plus it’s cool. I broke my neck a couple of years ago and this pillow feels very good and comfortable. Definitely recommend to everyone. Ive used it since May and it’s retained its shape.
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Reviewed in the United States on June 6, 2026
★★★★★ 4
Smell
Size: Queen (2 Count), Color: Original White (Cooling)
The fact that there are not more comments on the smell of these pillows has me worried about some of yall. Listen, I LOVE the weight, and the firmness, it’s perfect for that. However, these pillows are RANK. They have a very strong mildew-ish smell that lingers. I took the outer cover off and washed it and let the pillow air out for a few days, the smell is still very strong when you press your face against it, which one does because it is in fact designed for that purpose. It smells so bad. It’s nauseating. I can smell it through two pillowcases and blanket that I threw on top of them hoping an extra layer would trap the smell. I’ll bake them in the Texas sun tomorrow and hope that helps, because otherwise these are the perfect pillows for someone who wants to feel like they are hugging a torso but can’t stand the sound/feel of someone else breathing. I don’t know…4 stars, if the smell goes away I’ll come back.
Update: many many days later. Either they don’t really smell anymore or I got use to it. They’ve held their firmness and shape well. I like them.
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Reviewed in the United States on March 9, 2026
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