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Description
FNIRSI NVS40 BINOC NIGHT VISION4K HD Digital Binocular Night Sight Device, 3. 1 Inch High Definition IPS Screen, 6X Electronic Zooming, 25mm Objective Lens Aperture, 300m in Complete Darkness 4K HD Digital Binocular Night Sight Device Overview FNIRSI NVS 40 is a binocular night vision instrument used for observing objects in pitch black or weak light. The observation distance in weak light is not limited, and can reach 300 meters in full darkness environments. Equipped with USB
4K HD Digital Binocular Night Sight Device, 3.1 Inch High-Definition IPS Screen, 6X Electronic Zooming, 25mm Objective Lens Aperture, 300m in Complete Darkness
4K HD Digital Binocular Night Sight Device
Overview
FNIRSI® NVS-40 is a binocular night vision instrument used for observing objects in pitch black or weak light. The observation distance in weak light is not limited, and can reach 300 meters in full darkness environments. Equipped with USB interface and TF card slot, supporting firmware updates and shooting storage. Fully functional, this color screen can be used normally during the day and night, with functions such as taking photos, shooting, playback, and electronic zoom up to 6x. This device is the best auxiliary tool for human night vision extension.
Features
- Drawtube: Binocular Night Vision
- Complete Dark Viewing Distance 300M
- Adapts to Day and Night
- Supports Photography Video
- 6x Electronic Zoom
- Handheld-Design, Compact and Portable
- Maximum 4K Video Resolution
- Supports File Export
- Voltage: 3.7V 18650 Battery
- Screen: 1.54 High-Definition IPS
- Charging: 5V/1A TypeC
- Temperature: 5~40℃
- Humidity: 0-80%
- Objective Lens Aperture: 25mm
- Weak Light Observation Distance: 2m-∞
- Observation Distance of All Black Without Light: 300m(Max)
Specifications
- Model : NVS-20
- Drawtube : Binocular
- Electronic Zoom : 6x
- Magnification Ratio : 500x & Under
- Objective Lens Diameter : 25mm
- Low Light or Daytime Observation Distance : 2m~∞
- Full Black Observation Distance : 300m/984ft(max)
- Video Resolution : 4K(3840*2160) / 2K(2560*1440) / 1080FHD(1920*1080) / 720P(1280*720) / VGA(640*480) / QVGA(320*240)
- Photo Resolution : 36MP / 32MP / 30MP / 24MP / 20MP / 16MP / 12MP / 10MP / 8MP / 5MP / 3MP / VGA
- IR Wavelength : 850nm
- Water Resistance Level : IPX6
- White Balance : Automatic, Daylight, Cloudy, Tungsten Filament, Fluorescent
- ISO : Auto, 100, 200, 400, 800
- LCD Brightness Adjustment : High, medium, and low levels
- Light Source Frequency : 50Hz/60Hz
- Storage : 32G TF memory card
- Language Setting : Chinese / Traditional / English / Japanese / Italian / French / German / Russian / Spanish /
- Portuguese
- Voltage : 3.7V
- Power Supply : 18650 internal battery
- Charging : 5V/1A TYPE-C
- Screen : 3.0 inch HD IPS Color Screen
- Temperature : -5~40°C
- Humidity : 0-80%
- Size : 136x153x56mm
- Weight : about 265g
Downloads
Additional Information
| Device | Binocular |
| Type | 4K | HD | Digital | Night Sight Device |
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
4.8 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Great enrichment
Size: 2.8in for Small & Medium Dogs
These are great for our 3 dogs, they’re durable and strong. The pup ford training treats fit great into these and it takes our dogs a good bit to get all the treats out. Easy to clean and a great enrichment toy, will buy again!
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Reviewed in the United States on February 6, 2026
★★★★★ 5
My dog looks forward to this every day
Size: 2.8in for Small & Medium Dogs
My dog used to have separation anxiety every time I left the house. I tried to find things to distract her when I left, but nothing kept her attention long enough for me to get out of the house. I stuff treats in this ball and she keeps focused and gets all of the treats out. Perfect solution to keep her occupied as I leave for work. Very easy to put treats in and I’ve had it for about 6 months now, which is great because my dog chews toys to pieces within days! High quality ball. I love it so much (well, my dog loves it so much), I bought one to give my neighbor’s dog.
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Reviewed in the United States on September 7, 2025
★★★★★ 4
Good toy, wish it was slightly bigger
Size: 2.8in for Small & Medium Dogs, Size: 2.8in for Small & Medium Dogs
I got the medium to large size ball for my elderly boxer who has suddenly taken to chewing on everything. The toy has been a decent purchase.
Pros: not incredibly stiff plastic for elderly dogs. Easy to manipulate to put treats in the spikes. Easy to clean. Seems engaging for my dog.
Cons: probably not for super chewers. This size is probably too small for large or extra large dogs. My dog can easily fit this in his mouth and I wish it was just a little bigger. The ball can only hold one mini milk bone per slot, so it makes for treats to be really easily pulled out. Can't comment on durability yet, haven't had it for long enough.
Overall, I like this toy. I just wish it was slightly wider or bigger.
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Reviewed in the United States on October 15, 2024
★★★★★ 5
Durable, Fun, Useful!
Size: 1.8in for Puppy Dogs
This treat dispenser is so great! For one thing, it's sturdy and will last forever. It will get lost before it wears out. This is my second order because I can't find the first one . . . so I bought this pack of two. In one, I put peanut butter. In the second one, I put toothpaste, just a squirt for each opening. My dog LOVES to chew on this even after she has consumed 98% of whatever I put in there. In short, it occupies her attention, which is a blessing! It's both a treat and a toy. It also bounces well and can be thrown as a ball. It will LAST far longer than any ofher other balls, too. My dog has a tiny mouth and larger balls are too big or too hard for her. If I could give it more stars, I would!
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Reviewed in the United States on April 7, 2025
★★★★★ 3
Cute and good !
Size: 1.8in for Puppy Dogs
My dogs like them! There kinda hard to clean but I just soak them in hot water and give them a good scrub! Can also use them for a fetch ball
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Reviewed in the United States on November 10, 2025
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