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Description
Komshine Fiber Optic Identifier Optical Cable Signal Direction Identifier With VFL Red Light 10mW, KFI-40V1. Applicable optical fiber type: 0. 25 3. 0mm 2. Wavelength range: 800~1700nm 3. Detection frequency range: CW 270 1k 2k Hz 4. Detection distance: up to 5km 5. Detector type: 1mm InGaAs 2 pcs 6. Signal direction: Left & Right LED 7. Optical power reading range: 40 dBm to 10 dBm 8. Power supply type: AAx2 (not included) 9. VFL power range: 10mW 10. VFL test distance: 5 8km 11. VFL wavelength range: 650nm 12. VFL laser type: LD 13. Compact and
1. Applicable optical fiber type: 0.25-3.0mm
2. Wavelength range: 800~1700nm
3. Detection frequency range: CW/270/1k/2k Hz
4. Detection distance: up to 5km
5. Detector type: 1mm InGaAs 2 pcs
6. Signal direction: Left & Right LED
7. Optical power reading range: 40 dBm to 10 dBm
8. Power supply type: AAx2 (not included)
9. VFL power range: 10mW
10. VFL test distance: 5-8km
11. VFL wavelength range: 650nm
12. VFL laser type: LD
13. Compact and practical, portable, no need to change fixtures, online testing
14. Can quickly locate power outages, with a detection range of up to 5km, and LED lighting to facilitate construction in the dark.
15. Detection can be performed at any position on single-mode and multi-mode optical fibers, and an identifier can be used to identify it on the line.
16. Can identify 270Hz, 1KHz, 2KHz signal frequencies, and there will be a buzzing sound when the frequency is identified.
17. When there is a signal in the optical fiber, the left and right direction lights will display the signal direction.
18. When holding the machine, press the clamp switch on the back with your index finger to clamp the optical fiber cable, and the test will automatically start.
19. ABS material shell, good hand feel, comfortable to use, compact and light, easy to carry
20. Product size: 219mmx45mmx28mm
21. Product weight: 235g
Specification:
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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
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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
4.7 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
Excellent dog balls — safe design and very durable
Style: Fetch Balls (Pack of 3), Size: 2.5 inch
These fetch balls from Amazon Basics are fantastic, and my dog absolutely loves them. One of the biggest reasons I prefer these over other brands is the hole that runs through the center of the ball. This is a very important safety feature: if a dog were to accidentally get the ball stuck in the back of the throat, the hole allows air to pass through. That small detail could literally make a life-saving difference.
Aside from the safety benefit, they bounce well, are easy to clean, and hold up to a lot of playtime. They’re firm but not rock-hard, and my dog goes crazy for them. Great value, great quality, and a thoughtful design.
Highly recommended for dog owners who want a safer alternative to standard solid rubber balls.
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Reviewed in the United States on December 1, 2025
★★★★★ 5
Great ball for heavy chewers
Style: Assorted Balls (Pack of 3), Size: 2.5 inch
Great toy for my Doberman. She chews through tennis balls in about 15 minutes but these are very durable. She likes to chase them but also just chew on them.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Durable
Style: Fetch Balls (Pack of 2), Size: 3 inch
Very bouncy. I like the noise it makes when you throw it. Pretty durable. Good size. Dog loves to play with them. Good material. Easy to use.
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Reviewed in the United States on April 5, 2026
★★★★★ 4
My dog loves glowing fetch at night!
Style: Glow Balls (Pack of 3), Size: 2.5 inch
Fantastic. Sturdy. My dog loves them
Glow in the dark is great for fetch at night. I keep a flashlight with me because the glow doesn't last really long. But they charge very quickly and are really bright.
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Reviewed in the United States on February 22, 2026
★★★★★ 5
Indestructible
Style: Fetch Balls (Pack of 2), Size: 3 inch
These balls are indestructible! We have a lab and a lab mix and they CANNOT damage these balls. They love them for fetch and to just chew on them (slightly squishy, but NO damage). Best toys we have bought for them.
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Reviewed in the United States on April 19, 2026