★★★★★ 5
.
GREAT
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Reviewed in the United States on May 19, 2026
UV254-LB LoRaWAN UVC Radiation Sensor
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
UV254-LB LoRaWAN UVC Radiation SensorUV254 LB LoRaWAN UVC Radiation Sensor The Dragino UV254 LB is a LoRaWAN UVC Radiation Sensor for the Internet of Things solution. UV254 LB is an indoor UVC sensor specially designed for detecting the intensity of ultraviolet lamps. UV254 LB will convert the UVC Intensity to LoRaWAN wireless data and send to the IoT platform via the LoRaWAN gateway. UVC is harmful to human health, and UVC lamp will lose efficacy after long time use. With UV254 LB,
Quick Dispatch:
Your UV254-LB LoRaWAN UVC Radiation Sensor orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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You'll receive a tracking link by email once your UV254-LB LoRaWAN UVC Radiation Sensor ships.
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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
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4.2 ★★★★★
Based on 69 reviews
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Product Reviews
★★★★★ 5
Well worth it
Worked out perfectly, smooth install, supplied all gaskets and most important the low price.
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Reviewed in the United States on July 18, 2025
★★★★★ 4
Easy to Install - Good Value for the Money
This is my first experience with K&N engine oil filters. I purchased one through AMZN and it was cheaper than expected. I may have purchased it on sale, because it was only $10. K&N is known to have great products, so I will update this review after I've used this filter for a while. So far, it seems to be working fine.
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Reviewed in the United States on June 25, 2024
★★★★★ 5
Near OEM quality at 1/4 cost
Near OEM performance at 25% of the cost! Bosch Quality replaced NGKs/Toyota OEMs. Great value and now the engine is running smoothly! I have seen a slight improvement in my mpg @1mpg overall in mixed driving conditions.
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Reviewed in the United States on April 22, 2026
★★★★★ 5
Very Expensive
Had one cylinder misfiring so replaced coil and spark plug. Runs fine now, but old plug looked shot after only 5 months so I think the coil was the problem. Really good plug so far but very expensive.
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Reviewed in the United States on February 12, 2026
