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Description
FNIRSI SAG-55 ADJ HOT AIR GUNSmart PID Controlled Hot Air Rework Tool with 550 W Power, Adjustable 100 450 C TEMP, 20 Airflow Levels, LCD Display, Magnetic Standby and Presets for Quick Soldering and Repair. Smart PID Controlled Hot Air Rework Tool Overview The SAG 55 Intelligent Hot Air Gun is a newly launched portable smart hot air gun designed to meet various application needs. It uses a microcontroller with PID precise temperature control technology, ensuring rapid heating
Smart PID-Controlled Hot Air Rework Tool with 550 W Power, Adjustable 100 – 450 °C TEMP, 20 Airflow Levels, LCD Display, Magnetic Standby and Presets for Quick Soldering and Repair.
Smart PID-Controlled Hot Air Rework Tool
Overview
The SAG-55 Intelligent Hot Air Gun is a newly launched portable smart hot air gun designed to meet various application needs. It uses a microcontroller with PID precise temperature control technology, ensuring rapid heating with minimal thermal shock, which extends the lifespan of the heating element. The brushless fan supports adjustable wind speeds from levels 1 to 20, providing low noise, long life, and adaptability to different work environments.
The handle integrates a magnetic sensor that automatically heats up when picked up and cools down into standby mode when returned, making operation simple. The controller and display screen on the handle allow for effortless one-handed adjustment of temperature and wind speed. It also supports three sets of quick temperature/wind speed presets for fast switching.The fast cooling function accelerates cooling, further extending the heating element's lifespan. Real-time monitoring by various sensors ensures the device shuts off heating in case of any abnormalities, ensuring safety. The LCD display and LED indicator clearly show working status and temperature changes.
With its ergonomic handle design for a comfortable grip and compact, portable build, the SAG-55 is the ideal choice for professionals and DIY enthusiasts alike.
Features
-
Brushless Fan Smooth Speed Control
Low-noise, energy-saving brushless fan with long lifespan. Supports 1-20 levels of linear air volume adjustment for smooth and precise desoldering -
Hot & Cold Air Switch Faster Cooling Efficiency
Cold air mode with one press for quick cooling. Different colors indicate different temperatures for real-time status monitoring -
Three Presets One-Touch Switch
Easily save 3 temperature and air volume settings (100-450℃) for fast switching. Adapt quickly to different soldering needs with just one press
Specifications
Package List:
- Basic Metal Stand x1
- SAG-55 Hot Air Gun x1
- 6mm Nozzle x1
- Power Adapter x1
- Power Cable x1
- User Manual × 1
Additional Information
| Device | Rework Tool |
| Type | Smart | PID-Controlled | Hot Air |
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 842 reviews
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Product Reviews
★★★★★ 5
Beautiful
Color: Champagne, Size: 7 Years
I bought it to my son to play piano, and I really loved it, beautiful, good quality. 👏🏻
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Reviewed in the United States on April 1, 2026
★★★★★ 5
Perfect Suit Great Quality and Value
Color: Lavender Purple, Size: 6 Years, Color: Lavender Purple, Size: 6 Years
I love at how nice this boys suit turned out. The slim fit gives it a stylish, elegant look, and it makes my nephew look so sharp and grown up. Fit true to size.
The material feels good quality, not thin or cheap, and it’s definitely nicer than I expected for the price. I really like that it comes as a full set, which made things so much easier instead of having to buy down extra pieces. Love the tie and the vest, so cute.
He wore it for a special event and got so many compliments, people couldn’t believe how handsome he looked. It stayed looking neat all day, and he was able to move around comfortably. I could easily see him wearing this again for weddings, church, holidays, or even school pictures.
Overall, it’s a great buy if you want your little guy to look dressed up without spending a fortune. Beautiful boys suit, stylish and elegant, great value and quality. Wash inside out, and air dry.
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Reviewed in the United States on August 26, 2025
★★★★★ 5
One of the best suits out there!!
Color: Christmas Green, Size: 8 Years
I am not one who write reviews, so the fact that I'm penning this review you should know. These suits are the best, the sizing, the fit, the quality everything is perfect. I bought for my 3 sons and they all fit well, I was worried about the fit because one of my son is slender but tall so length things would be okay but waist toooo big, with this suit everything was on point. Ages: 13-14(about 5"4-5"5 have a little body wouldn't consider husky) got him size 18,
10-11(slender but a little tall for his age) got him size 14,
9yr old(average height and body size) got him size 8. Can't beat the price and for 6 pieces(pants, vest, jacket, shirt, tie, bowtie)
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Reviewed in the United States on April 2, 2026
★★★★★ 5
Great buy
Color: Champagne, Size: 6 Years
I bought 3 sizes for my sons to wear at our wedding. They are heavy duty quality material. The dress shirts are a little stiff and snug but also great quality. Would buy again 100%
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Perfect fit!
Color: Lavender Purple, Size: 12 Years, Color: Lavender Purple, Size: 12 Years
It’s perfect! Just get it, like now!!!
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Reviewed in the United States on May 4, 2026