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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21
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For Your Every Summer RSVP, with Code: SUMMER15
Description
CC-309 Full Band Detector with LED Screen Display, Detection Frequency Range: 1MHz-6500MHz, CC-3091. This product uses the active laser scanning and passive scanning method of combining wireless, can accurately identify: Eavesdropping devices, tracking devices, car eavesdropping, wireless pinhole camera, wired camera, electrical sources, and so on. Can effectively prevent eavesdropping videotaping, fraud and protect personal privacy data and information confidential 2. With automatic detection, the host to carry, at risk when there is
1. This product uses the active laser scanning and passive scanning method of combining wireless, can accurately identify: Eavesdropping devices, tracking devices, car eavesdropping, wireless pinhole camera, wired camera, electrical sources, and so on. Can effectively prevent eavesdropping videotaping, fraud and protect personal privacy data and information confidential2. With automatic detection, the host to carry, at risk when there is eavesdropping devices, pinhole cameras, casino ye lie. Host will prompt your body automatically detects the danger.
3. Has a signal strength indicator, to quickly find the source of the signal
4. The sensitivity adjustment potent milometer can be adjusted (increased sensitivity to widen the detection range or lower sensitivity to shorten the detection range) radio power at faster to find.
5. Detection modes: A laser probe, vibration (silent), beep detection probe detection, LED display, Headphone mute detection
6. low-voltage prompts, built-in rechargeable battery
7. Laser detection: Host window can be seen through the eyes of all inside of the current situation facing the camera lens
8. Wireless Sweep: Frequency detection range (1MHZ-6500MHZ)
Specification:
1. Material: ABS
2. Screen Size: 1.6 inch
3. Charging Voltage: DC 5V / 500mA
4. Power: 500mW~200mW (detection distance: 30~50cm)
5. Power: 300mW~600mW (detection distance: 100~200cm)
6. Power: 800mW~1200mW (detection distance: 300~1000cm)
9. Detection Laser Wave Length: 920nm
10. Detection Frequency Range: 1MHz~6.500MHz
11. Working Range: 1~10m
12. Size: 102 x 58 x 23mm
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 9 reviews
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Product Reviews
★★★★★ 5
⭐️⭐️⭐️⭐️⭐️ I can breathe again — and my house says thank you 😂
Pattern Name: 20x20x1, Style: Merv 11
⭐️⭐️⭐️⭐️⭐️ I can breathe again — and my house says thank you 😂
These Amazon Basics MERV 11 air filters have been a game changer for my HVAC system. I installed them and immediately felt like my home went from “dust tornado aftermath” to “spa-day air vibes.” Whether it’s pollen, pet hair, or mystery dust bunnies lingering in the corners, these filters make the air feel noticeably cleaner and fresher.
Installation was about as easy as ripping plastic wrap off a new gadget — pop out the old filter, slide these in, and suddenly the air quality goes from “huh?” to “ahhh.” The electrostatic pleated design grabs everything from sneaky dust motes to pet dander like a champ, and I can actually tell when the AC kicks on that the air feels crisper — in a good way. 🌬️
Between the six count and the solid MERV rating, this was a smart purchase that keeps my HVAC happy and my allergies way more manageable. If you want clean air without the hassle, these filters are a fantastic value and really get the job done. Highly recommend!
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Reviewed in the United States on February 26, 2026
★★★★★ 5
Amazon Basics MERV 11 Filters: Solid Performance Without the Premium Price
Pattern Name: 20x20x1, Style: Merv 11
Amazon Basics MERV 11 Filters: Solid Performance Without the Premium Price
I’ve been using these Amazon Basics 20x20x1 MERV 11 filters in my home HVAC system, and overall they’ve been a very dependable option for routine filter changes. I like buying them in a 6-pack because it takes the hassle out of remembering to reorder every couple of months, and the per-filter cost is noticeably lower than the big-name brands at the hardware store.
Installation is straightforward. The actual size fits my return slot properly with no bending or forcing, and airflow has remained strong. With MERV 11, these strike a nice balance for my setup — noticeably better dust and pollen capture than basic MERV 5 or 8 filters, but without putting obvious strain on the system. After about a month of use, the filters clearly show they’re doing their job, collecting a visible layer of dust and fine debris.
A few things to keep in mind. The cardboard frame isn’t as rigid as some premium filters, and they’re a bit thinner than brands like Filtrete. They’ve held up fine for me during normal use, but I wouldn’t try to stretch them much past the recommended replacement interval. Also, if you have an older or low-powered HVAC system, MERV 11 may be more filtration than you need — in that case, a lower MERV option might make more sense.
Bottom line: These Amazon Basics MERV 11 filters are a practical, budget-friendly choice that deliver solid filtration and good airflow for regular HVAC maintenance, as long as you stick to timely replacements and don’t expect premium-brand rigidity.
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Reviewed in the United States on January 4, 2026
★★★★★ 5
Perfect fit, lasts a long time, and a great price.
Pattern Name: 20x20x1, Style: Merv 5
These filters are a perfect size, they're well-made (I don't notice any more dust in the house than "normal"), and so far, they last longer than I had expected (they're made to last 30 days, and the one I have in has lasted 90 days). So for this 6-pack, what should have lasted 6 months may actually last more like 3 years! And these are the best deal I could find on the internet. I'd definitely recommend them.
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Reviewed in the United States on April 12, 2026
★★★★★ 4
Good product
Pattern Name: 16x25x1, Style: Merv 5
Affordable product but looks a little flimsy.
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Reviewed in the United States on April 11, 2026
★★★★★ 5
Well Made and Beefy 💪🏼🏆
Pattern Name: 20x20x1, Style: Merv 11
Some air filters are wobbly and cheaply made, but not these. Amazon didn’t skimp when they sourced these. They are as good as any name brand filter. We use these on Pelonis box fans to aid in filtering the air, and keep air moving🌬️✨
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Reviewed in the United States on April 29, 2026
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