GasDoc DS-399 Carbon Monoxide Detector, Rechargeable 3-in-1 Portable CO Detector with Audible & Visual Alerts for Travel & Camping, CO Meter for Home, Car & Tent - Dark Blue
GasDoc DS-399 Carbon Monoxide Detector, Rechargeable 3-in-1 Portable CO Detector with Audible & Visual Alerts for Travel & Camping, CO Meter for Home, Car & Tent - Dark Blue
GasDoc DS-399 Carbon Monoxide Detector, Rechargeable 3-in-1 Portable CO Detector with Audible & Visual Alerts for Travel & Camping, CO Meter for Home, Car & Tent - Dark Blue
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- Carbon Monoxide Detector: The DS-399 Portable Carbon Monoxide Detector can detect CO levels ranging from 0 to 1000 PPM. It also allows you to set custom alarm thresholds for even earlier detection, ensuring your safety. In addition, the CO meter monitors real-time temperature and humidity, providing you with accurate environmental data
- Powerful Rechargeable Battery: Featuring a powerful 1000mAh lithium battery, this CO alarm is equipped with Type-C charging capability, ensuring minimal downtime. A full charge provides up to 168 hours of continuous use, making it a reliable choice for long trips and extended outdoor stays
- Easy to Carry: This handheld CO tester is designed to be extremely compact, roughly the size of your palm. Its small size makes it easy to carry, whether tucked in your pocket or attached to your luggage using the included lanyard. Its portability ensures that safety is always within reach during your travels
- Audio-visual Alarm: The detector allows you to set custom CO alarm thresholds. When the gas concentration exceeds the set alarm threshold, the device emits an audible alarm, and the ring indicator light below the screen changes color based on the alert level. This dual alert system provides double protection for your safety
Brand: | GasDoc |
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Color: | Dark Blue |
Manufacturer: | GasDoc |
Part Number: | GG8FBC1 |
Isin: | I5OO58OCUCF3 |

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The GasDoc DS-399 is a portable carbon monoxide detector that can detect carbon monoxide concentrations from 0 to 1000PPM, while also monitoring the temperature and humidity of the environment.This carbon monoxide detector features convenient Type-C charging, eliminating the need for batteries. A single charge powers it for up to 7 days of continuous use, making it perfect for everyday monitoring and on-the-go reliability.
How to Test if the Carbon Monoxide Detector is Working:
Carbon monoxide is typically produced during incomplete combustion and in smoky environments. Here are two simple testing methods:
Using a Lit Cigarette:Light a cigarette and hold the DS-399 detector's sensor near the smoke. When the device displays a reading or triggers an audible and visual alarm, it indicates that the carbon monoxide detector is functioning.
Controlled Smoke Environment: Light a small stick or piece of paper, and use a transparent cover to enclose both the burning item and the detector in a sealed space. When the device shows a reading or triggers an audible and visual alarm, it confirms that the detector is working.
Long Battery Life: The DS-399 carbon monoxide detector is equipped with a powerful 1000mAh lithium battery, offering up to 168 hours of continuous use on a full charge. It also features Type-C charging for minimal downtime.
Dual Alert System: With both visual and audible alarms, the DS-399 ensures quick response and timely alerts to protect your safety.
Green: 0–50 ppm (Low concentration)
Yellow: 51–150 ppm (Dangerous concentration)
Red: Above 150 ppm (Alert concentration)
Customizable Alarm Threshold:
The alarm threshold can be adjusted between 25–125 ppm, with the default set at 50 ppm. Double-click the function button to customize the CO concentration alarm level.
Portable and Easy to Use:
The DS-399 carbon monoxide detector features a compact design of 4.13" × 2" × 0.83" (105×51×21mm), about the size of a palm. Its small size makes it easy to carry, whether in your pocket or hanging from your luggage with the included lanyard. With a user-friendly interface and simple controls, it ensures safety is always within reach and easy to monitor, even while traveling.
What You Get:
Your purchase includes:
1x DS-399 Carbon Monoxide Detector
1x User Manual
1x Type-C Cable
1x Lanyard
GasDoc is committed to providing quality products and services, providing you with reliable gas monitoring detectors to protect your safety. If you have any questions or need additional help, please don’t hesitate to reach out to us.
Processing Time
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Shipping Methods & Estimated Delivery
Shipping Method | Estimated Delivery | Cost |
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Free Shipping (US) | 5–10 business days | Free, available on eligible items |
Standard Shipping (US to US by Item) | 5–10 business days | $6.50 for the first item, $3.00 each additional |
Standard Shipping (From US Warehouse by Weight) | 3–7 business days | Starts at $6.50, increasing by $2 for every additional 4 oz (0.25 lb) up to 1 lb, then by $4 for each additional pound beyond 1 lb. |
Extended Delivery (Ships from Overseas Warehouse) | 10–15 business days | $14.50 for the first item, $4.00 each additional |
Shipping costs vary by product weight, quantity and origin. Exact rates and delivery estimates are displayed on each product page and confirmed during checkout.
Free Shipping
We offer free standard shipping on select products or during promotional periods. Availability of free shipping will be displayed on the product page and at checkout.
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Item Not Received
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Email: support@ibspot.com
We’re always happy to help.
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Order Cancellation Policy
Customers may request to cancel an order before it has been shipped.
Once the package has been shipped, cancellations are no longer possible; however, you may still request a return after receiving your order.
How to Request a Cancellation
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- Contact Form: Submit a request through our Contact Us page
Please submit your cancellation request as soon as possible after placing the order to allow us to process it before shipment.
Return Policy
We accept returns for most items within 30 days of delivery for a full refund.
To be eligible for a return:
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Non-Returnable Items
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Partial refunds may be granted in specific situations, such as:
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Shipping Cost for Returns
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If a return is sent back without prior contact or without our provided label, we cannot be held responsible for return shipping costs.
For items valued over $75, we recommend using a trackable shipping service or purchasing shipping insurance.
We cannot guarantee that we will receive your returned item if shipped independently.
Refund Processing
Once your return is received and inspected:
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Please allow:
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Product Claims
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If there is a problem with your order upon arrival, visit our Support Center or contact us directly to arrange return shipping or replacement.
Exchanges
We do not process direct exchanges.
The fastest way to get what you need is to return the original item and place a new order once your return is accepted.
Return Address
IBSPOT Return Center
15 Sawmill Ln
Dover Plains, NY 12522
United States
Customer Support
Our support team is available 24/7 to assist with cancellations, returns, or general inquiries.
Email: support@ibspot.com
Contact Form: Contact Us page
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