GOYOJO GNG2K
#2 in MonocularsFull review
A high-resolution, helmet-mountable monocular for hands-free night navigation on trails and private land. The maker publishes no battery life or water rating.
Amazon $549$549
The GOYOJO GNG2K is the better digital night vision device overall, rated 3.5 to 3.2. The GOYOJO GNG2K leads on claimed range. The Nightfox Prowl wins on value and optics. The Nightfox Prowl costs $349.01 less ($199.99 vs $549).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Nightfox Prowl
#6 in MonocularsFull review
A head-mounted 1x monocular for walking, camp chores and checking the property in the dark with both hands free. The Prowl 2 adds a Full HD sensor and IP65 sealing for $50 more.
Amazon $199.99$199.99
Which should you buy?
- Choose the GOYOJO GNG2K for claimed range (984 ft claimed vs 430 ft claimed).
- Choose the Nightfox Prowl for value ($199.99 vs $549) and optics (1x optical, 53.8° view vs 1x optical, 45° view).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every monoculars digital night vision device; a clear win is highlighted. How we rank explains each one.
| Factor weight | GOYOJO GNG2K | Nightfox Prowl |
|---|---|---|
| Overall rating | 3.5/5 | 3.2/5 |
| Image 25% | 100 2688 x 1520 sensor | 50 sensor and screen resolution not published (neutral score used) |
| Optics 15% | 70 1x optical, 45° view | 88 1x optical, 53.8° view |
| Runtime 15% | 50 runtime not published (neutral score used) | 38 5 h stated runtime |
| Value 15% | 4 $549 | 48 $199.99 |
| Waterproofing 10% | 50 water resistance not published (neutral score used) | 25 IP54 |
| Warranty 10% | 25 2-year warranty | 25 2-year warranty |
| Recording 5% | 50 recording not published (neutral score used) | 61 records 1080p |
| Claimed range 5% | 74 984 ft claimed | 22 430 ft claimed |
Specifications
| GOYOJO GNG2K | Nightfox Prowl | |
|---|---|---|
| Image | ||
| Type | Monocular | Monocular |
| Sensor | 0.0001 lux low-light sensor | CMOS |
| Sensor resolution | 2688 x 1520 | - |
| Optics | ||
| Optical magnification | 1x | 1x |
| Digital zoom | 4x | 3x |
| Field of view | 45 ° | 53.8 ° |
| IR illuminator | 940 nm | 850 nm / 940 nm |
| Claimed range in darkness | 984 ft | 430 ft |
| Recording and power | ||
| Video recording | - | 1080p |
| Phone app / Wi-Fi | - | No |
| Battery | - | Removable 18650 Li-ion, 3,200 mAh |
| Battery capacity | - | 3,200 mAh |
| Runtime at night | - | 5 h |
| Build | ||
| Head mount included | Yes | Yes |
| Water protection | - | IP54 |
| Weight | 13.6 oz | 9 oz |
| Warranty | 2 years | 2 years |