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Description
SIGNAL FIRE Fiber Optic Fusion Splicer AI-7CAI 7C use the latest core alignment technology with auto focus and six motors, it is a new generation of fiber fusion splicer. It is fully qualified with 20 km trunk construction, FTTH project, security monitoring and other fiber cable splicing projects. The machine uses industrial quad core CPU, fast response, is currently one of the fastest fiber splicing machine in the market; with 5 inch 800X480 high resolution screen, the operation is simple and
AI-7C use the latest core alignment technology with auto focus and six motors, it is a new generation of fiber fusion splicer. It is fully qualified with 20 km trunk construction, FTTH project, security monitoring and other fiber cable splicing projects. The machine uses industrial quad-core CPU, fast response, is currently one of the fastest fiber splicing machine in the market; with 5-inch 800X480 high-resolution screen, the operation is simple and intuitively; and up to 300 times focus magnifications, making it is very easy to observe the fiber with naked eyes. 8 seconds speed core alignment splicing, 18 seconds heating, the working efficiency increased by 50% compared to ordinary splicing machines.
Successful fiber melting. When opening the windproof cover to take out the fiber, the machine turns on pre heating for up to 8 seconds
| Fiber alignment | Core/cladding |
| Motor number | 6 motors |
| Splicing time | 8s |
| Heating mode | 18s， can be customized according to the external environment |
| Fiber type | Single-mode fiber (SMF/G.652), BIF/G.657); Suitable for single mode, multi-mode, bare fiber, tail fiber, drop cable, jumper, invisible fiber fusion; |
| The cladding diameter | 80-150 μm |
| Splicing loss | 0.02dB（SM）、0.01dB（MM）0.04dB（DS/NZDS） |
| Splicing mode | Automatic focusing core alignment, conventional/high precision welding |
| Splicing way | Automatic, semi-automatic |
| Fiber holder | Three in one fixture, no need to change, suitable for single/multi-mode, multi-core cable/bare fiber, tail fiber, jumper fiber,drop cable |
| Battery capacity | 7800mAh large capacity lithium battery charging time ≤3.5; It can continuously weld and heat about 260 cores |
| Magnification | 300 (X or Y), 150 (X or Y) |
| Fiber diameter | Coating diameter: 80-150μm/Coating diameter: 100-1000μm |
| Cutting length | Coating layer 250μm below: 8-16mm/coating layer 250-1000μm: 16mm |
| Heat shrink tube | 60mm、50mm、40mm、25mm |
| Tensile testing | standard 2N |
| display | 5 inch TFT color display screen |
| External lighting | USB port can be connected with EXTERNAL LED light, convenient for night construction |
| Charge mobile device | The USB port can charge mobile devices such as mobile phones |
| Boot time | 1s, boot can enter the working mode |
| Data is stored | Unlimited, machine storage 1000 groups, the excess part can be stored in the server, can export data. |
| Wireless communication | Based on bluetooth 4.2 protocol standard, the working band is 2.4GHz, the maximum transmission range is 60m |
| Software upgrade | Mobile phone APP Internet update, enable Bluetooth synchronization upgrade machine software |
| Management function | The equipment owner can be bound as the highest authority, and can remotely view the welding records, welding time, loss, etc. through the mobile phone APP. The number of welding times or working time of the equipment can be set. The manager can effectively manage a single or multiple equipment. |
| interface | USB2.0 (Type A) can be used to connect external LED lights and charge mobile devices |
| Return loss | Better than 60 db |
| Product protection | Waterproof, dustproof and fall proof |
| Power supply | Input AC100-240V 50/60Hz, output DC13.5V/4.8A, the current power mode can be identified, real-time monitoring of the current battery level |
| The work environment | Temperature: -15 ~ +50℃, humidity: < 95%RH (no condensation), working altitude: 0 ~ 5000m, maximum wind speed: ≤15m/s |
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
4.5 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Feels Like Sleeping on a Cloud — One of My Favorite Bedsure Products Yet
Color: Black, Size: King
I’ve had really good experiences with Bedsure products over time, so whenever I get the chance to try another one I usually do, and this mattress topper definitely did not disappoint. This one went on my mom’s king size bed and the difference was noticeable immediately.
The topper has a soft, cloud-like feel while still giving enough support underneath so you don’t just sink straight through it. It added a much more comfortable layer to the mattress and made the bed feel cozy and inviting without being overly heavy or hot.
I also appreciated how easy it was to put on. The deep pocket design fit securely over the king mattress without struggling to stretch the corners, and once it was on, it stayed in place well through the night.
The material feels breathable and smooth, which is especially nice for warmer nights. My mom commented that she slept really well with it and woke up feeling more comfortable than usual, which honestly says a lot.
Overall this feels like a high-quality mattress topper that makes a bed instantly more comfortable. Bedsure continues to be one of those brands I trust for soft bedding and reliable quality.
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Reviewed in the United States on May 23, 2026
★★★★★ 2
Not Worth the Price
Color: Black, Size: Queen
I expected more. The images are a bit misleading with the amount of fluff and thickness the product actually has. Despite following the instructions, it’s pretty flat.
It had a funky chemically smell to it, so I sprayed with some Febreeze.
Honestly in my opinion I don’t think it’s worth $60. I think if you want something similar, go to Marshals or TJ Maxx.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Makes my camp mattress so much better.
Color: Black, Size: Full
I'm in a small motorhome and this has helped my sleep quality a ton. I got rid of my big mattress because the 2 camp mattresses I have are smaller in size, but a bit dense than the mattress I had. Uncomfortable for anyone that sleeps on them for long periods and when I come from biking or hiking the pain was making it hard to sleep. These have improved my sleep quality immensely. It also, to my surprise fit well, the cushions are only a few inches. These are up to 18, but the edge is nearly a perfect fit at the start. The straps keep it from moving. The length and width using 2 of the bed rolls is nearly perfect. On mattress the deeper part of the pocket, would fit perfectly.
The quality feels great, lightweight and washable, this is one of those items I wouldn't have likely ordered, but trying it is near priceless for my usage. Couldn't imagine how good it must be on a bed.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Ultra-Light, Cooling & Comfortable – Great for Night Sweats!
Team Name: Cooling Comforter, Size: Full/Queen(90"x90"), Color: 01dark Grey
The DOWNCOOL Cooling Comforter Set (Queen Size 90”×90”) is a fantastic choice if you tend to sleep hot. The comforter uses advanced cooling fabric technology that absorbs body heat and helps reduce skin temperature by a few degrees, making it ideal for summer or warm climates.
The material feels cool to the touch, lightweight, and breathable, so you stay comfortable without feeling heavy or sweaty. It also features moisture-wicking and quick-dry properties, which help keep the bed fresh throughout the night.
The set includes 3 pieces (comforter + 2 cooling envelope pillowcases), and the pillowcases add an extra cooling effect around your head and neck. The fabric is soft and skin-friendly (often OEKO-TEX certified), making it safe for everyday use.
It’s also machine washable and durable, maintaining its cooling performance even after multiple washes, which makes it practical for long-term use.
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Reviewed in the United States on March 18, 2026
★★★★★ 5
Cool and comfy
Team Name: Cooling Comforter, Size: King(104"x90"), Color: 01grey
So comfy, lightweight, soft and yes, cool to the touch. Doesn’t stay cool though for long exposure but great for sleeping with animals or others.
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Reviewed in the United States on January 2, 2026