SKU: 11735711468

CO Guardian 353P-201 Remote Mount CO Detector

Sale price$1300455.00 Regular price$1444950.00
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Description

CO Guardian 353P-201 Remote Mount CO DetectorThe CO Guardian 353P 201 remote mounted Carbon Monoxide (CO) detector is designed especially for the experimental and homebuilt aircraft market. A compact and lightweight unit mounted in small area behind the panel, the 353P 101 combines highly accurate CO detection for the cockpit as well as cabin pressure warning and the ability to display on an external unit (see hardware list). This CO detection unit is perfect for builders and pilots looking for

The CO Guardian 353P-201 remote mounted Carbon
Monoxide (CO) detector is designed especially for the experimental and homebuilt aircraft market. A compact and lightweight unit mounted in small area behind the panel, the 353P-101 combines highly accurate CO detection for the cockpit as well as cabin pressure warning and the ability to display on an external unit (see hardware list). This CO
detection unit is perfect for builders and pilots looking for protection from the dangers of carbon monoxide in their experimental, homebuilt, or non-certified aircraft as a remote unit with integration to display on an existing PFD, MFD, or engine monitor system.

The sensitive onboard CO sensor alarms when carbon monoxide levels measure 50 to 99 PPM over a 3-5 minute span or alarm immediately when CO levels reach above 99 PPM.

The built-in pressure sensor indicates altitude warnings at 10,000 feet, 12,500 feet, and 14,000 feet as a reminder to the pilot that supplemental oxygen should be used. These warnings are displayed on an optional annunciator light.

The included RS-232 serial connection allows added CO level reporting and alerts to be displayed on a variety of
Primary Flight Display (PFD), Multi-Function Display (MFD), and engine monitor products. Please refer to the approved product list below.

The compact and lightweight CO Guardian 353P-201
will fit into a small 2.25 inch by 1.5 inch position in a remote
location using the included mounting bracket and weighs only 3.5 oz. Installation is very simple and takes only 2-4 hours on average. The 353P-201 remote mounted unit requires the installation of an external annunciator light (sold separately) for primary CO alert ad warning.
Additional reporting and alert on an approved product (see list) is allowed through the RS-232 serial connection. Installation requires the positioning of an included test/reset momentary button in the panel for safety and functionality.

Specifications

  • Designed for non-certified single and multi-engine piston engine aircraft.
  • Dimensions: 3.35 in. L x 2.25 in. W x 1.50 in. H
  • Weight 3.5 oz.
  • Input Power 14/28 VDC.
  • RS-232 Serial Connection included for reporting on external systems (see list).
  • Internal fan for optimum sensing.
  • Shielded to prevent EMI (Electro-Magnetic Interference) with aircraft systems.
  • Audible alarm with varying pitch at 85 dB.
  • LED Red and Amber CO Alert lights. LED Green nominal indication light.
  • Temperature ranges 0 °F to 110 °F.
  • Built-in Temperature compensating circuit.
  • Test/Reset button and external mounting bracket included.
  • CO sensor tested up to 15,000 feet.

Approved PFD, MFD, and Engine Monitor Products that will display the CO Guardian 353P data:

  • Garmin: Garmin G3X, Garmin G3X Touch, Garmin G900
  • J.P. Instruments (JPI): EDM 730, EDM 830, EDM 900 Primary, EDM 900 Experimental, EDM 930 Primary, EDM 930 Experimental, EDM 960 Twin
  • Electronic Instruments (EI): MVP50P, MVP-50T, CGR-30P
  • Advanced Flight System: AF2500/3500/4500/5000/5400/5500/5600/5800
  • Grand Rapids Technologies (GRT): Sports SX, Horizon HX, and HXr EFIS Systems
  • Ultra Electronics: AuRACLE CRM 2120
  • MGL Avionics: XTreme EFIS
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 11735711468

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Lonnie
West Palm Beach, US
★★★★★ 5
Super comfortable
Style: Standard, Color: Black
This is actually my second pair of these PocBuds, and that alone should say a lot. The comfort is outstanding. The earhook design makes a huge difference—they stay in place no matter what I’m doing, whether I’m working, walking, or moving around a lot. I can wear these for long periods without any discomfort, which hasn’t been my experience with most earbuds. Battery life is another big win. The charging case and battery performance are fantastic. I don’t feel like I’m constantly worrying about charging them, and the digital display is a really nice touch so you always know where you stand. The wireless charging just makes it even more convenient. Sound quality is solid too, with good bass and clear audio for music, videos, and calls. They’ve been reliable across everything I’ve used them for—phone, laptop, and even TV. Overall, these have been a great value and very dependable. The fact that I came back and bought a second pair says everything. Highly recommended.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026
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Verified Purchase
Customer ohio
Waukegan, US
★★★★★ 5
Great small pair of headphones
Style: Standard, Color: Black
These are great quality for the price. The microphone is okay and the speakers are good. I wouldn't expect ultra headphones at this size or price. They are great for light music/podcast items. I don't use it for calls much but does work. They are comfortable even if I wear for an hour or two. Very good battery life.
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Reviewed in the United States on May 20, 2026
P
Verified Purchase
Pej Ardehani
Bozeman, US
★★★★★ 4
Unbeatable secure fit and battery life, despite a minor audio quirk
Style: Standard, Color: Black
Finding earbuds that can survive daily 6:30 AM weightlifting sessions and stay put while I'm moving around the house or out walking the dog has been a challenge. Most standard earbuds slip out the second I lie back on a bench or start sweating. I decided to try these PocBuds specifically for the wrap-around earhook design and the massive promised battery life, and they have largely been a great investment. First Impressions & Unboxing The charging case is bulky—which is expected for an 80-hour battery capacity—but the digital display on the front is incredibly convenient for knowing exactly how much juice you have left. The one immediate downside hits you as soon as you put them in: the default system audio (the automated voice that says "power on" or "connected") sounds very compressed and cheap. It momentarily made me worry about the actual music quality. Real-World Testing Fortunately, once you get past that initial low-budget start-up voice, the actual audio performance is fantastic. The sound quality is clear, and the deep bass profile is exactly what I need to stay focused during a tough workout. More importantly, the earhooks work flawlessly. These earbuds simply do not fall out, whether I'm lifting, bending over to do yard work in the Florida heat, or jogging. The Bluetooth range is also highly reliable; I can leave my phone on my gym bag or patio table and move a good distance away without the connection stuttering. Finally, the battery life is no joke. Between the buds themselves and the charging case, I can go weeks without having to plug this unit into a wall. Pros: • Rock-Solid Fit: The over-ear hooks keep these perfectly secure during heavy movement and exercise. • Impressive Battery Life: The 80-hour claim holds up, and the digital battery display on the case takes the guesswork out of charging. • Quality Audio: Rich sound and surprisingly deep bass for the price point. • Reliable Range: Maintains a solid Bluetooth connection even when walking away from the connected device. Cons: • Cheap System Prompts: The default "Power On/Off" voice sounds robotic and low-quality, which takes away from the otherwise premium feel. • Larger Case: The high-capacity battery means the charging case isn't as pocket-friendly as standard minimalist earbuds. The Verdict If you can overlook the cheap-sounding system voice prompts, these earbuds are a phenomenal value for highly active users. They deliver exactly where it counts: a secure fit that won't budge during a workout, great music quality, and a battery that seems to last forever
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Reviewed in the United States on May 7, 2026
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Verified Purchase
Lydia Bowen
Belleville, US
★★★★★ 5
Great quality and value!
Style: Standard, Color: Black
These are great! People an actually hear me on a phone conversation with them. The battery life is awesome. The fit is good and the sound is clear. The best $25 I’ve spent on earbuds.!
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Reviewed in the United States on May 27, 2026
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Verified Purchase
Fred R
Chelsea, US
★★★★★ 5
I've loved these - great value and performance
Style: Standard, Color: Black
I purchased these almost three years ago, and I've taken them out on runs several times a week since then. I've been very satisfied with the ease of use (I've had no trouble at all connecting to my two Android phones and my Mac), sound quality, and battery life. I thought to put up a review today because one of the over-the-ear loops broke after 34 months of use. I've superglued it and will see how it lasts, but, at this price point, I've gotten more than my money's worth, and I'm ready to buy another pair if the ones I have are done.
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Reviewed in the United States on May 17, 2026

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