BolyGuard SG520 Trail Camera (37MP)
The BolyGuard SG520 delivers 37MP resolution with color night vision at $50, suitable for hunting and wildlife monitoring.
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Key Specifications
Best For
How this trail camera scores for different use cases
37mp resolution. video recording capability. enhanced night vision.
No-glow ir flash won't spook game.
Standard trail camera for basic scouting use.
Color night vision.
Basic monitoring capability without remote access features.
Our Verdict
Built for the outdoors, the BolyGuard serves as a standard trail camera targeting hunters and wildlife enthusiasts who prefer a reliable, no-frills monitoring solution. Its key strengths include color night vision capability.
The 37MP sensor exceeds the typical 32MP standard, producing detailed images suitable for animal identification and evidence capture. The 0.7-second trigger lags behind the 0.2s average, so positioning becomes more important to compensate.
Additional capabilities include video recording at 4K resolution, audio capture, adding versatility beyond basic still photography. The no-glow infrared flash is completely invisible to both animals and people, making it ideal for security use and skittish game.
The $49.99 price tag sits below the $86 average, offering a cost-effective option without sacrificing essential features. It is best suited for seasonal hunting setups, trail scouting, or wildlife observation where you visit the camera regularly to swap SD cards.
What We Like
- Solid 37MP resolution -- delivers clear, usable images for game scouting and identification
- 0.7s trigger speed -- functional for stationary or slow-moving subjects near the camera
- No-glow infrared flash -- operates in total stealth with no visible light emission whatsoever
- Color night vision -- produces vivid nighttime images instead of the usual grayscale
- Dual-sensor design improves detection accuracy and reduces false triggers from environmental movement
- 4K video recording -- captures stunning motion footage alongside high-resolution stills
- Budget-friendly at $49.99 -- delivers essential features without the premium price tag
What Could Be Better
- No remote access capability -- every image check means a trip to the camera, which can disturb the area
- No solar charging option -- batteries must be replaced manually, increasing maintenance visits
- No AI-powered detection -- expect false triggers from wind-blown branches, swaying grass, and passing shadows
- Slow 0.7s trigger speed -- fast-moving game may be partially out of frame or blurred
- No HDR imaging -- high-contrast scenes like sunny clearings may produce washed-out highlights or dark shadows
- No live view capability -- you cannot check the camera's field of view in real time
- Single detection zone only -- no ability to customize which areas of the frame trigger captures
Full Specifications
Camera & Image
| Resolution | 37 MP |
| Video Resolution | 4K |
| Flash Type | No-Glow IR |
| Screen Size | 1.44" |
| Color Night Vision | Yes |
| HDR Imaging | No |
Detection & Performance
| Trigger Speed | 0.7s |
| PIR Motion Sensor | Yes |
| Multi-Zone Detection | No |
| AI Detection | No |
Connectivity
| Camera Type | Standard |
| Connectivity | None |
| WiFi | No |
| Cellular | No |
| Bluetooth | No |
| GPS | No |
| App Control | No |
| Cloud Storage | No |
Power & Storage
| Battery Life | 6 months |
| Solar Panel | No |
| External Power Port | No |
Features
Included Features
Not Included
Frequently Asked Questions
Common questions about Trail Camera 37MP 4K UHD with Dual Flash (940nm Black IR & White LED),IP67 Night Vision Wild Game Camera with 1.44'' Color LCD for Wildlife Outdoor Monitoring (SG520 & 32G SD)
What image quality does the BolyGuard deliver?
The BolyGuard captures still images at 37 megapixels and records video at 4K resolution. This is above the 32MP category average, providing sharper detail for animal identification and evidence capture.
Does the BolyGuard have any wireless features?
The BolyGuard is a standard trail camera without wireless connectivity. Photos are stored on an SD card that you physically remove and insert into a computer or card reader to view images. While this requires visiting the camera, it also means no subscription fees and simpler, more reliable operation.
How does the BolyGuard perform at night?
The BolyGuard uses a no-glow infrared flash that is completely invisible -- it emits no visible light whatsoever. Night images are captured in black-and-white. This is the stealthiest option, ideal for security and areas with pressured game. This model also features color night vision technology, producing vivid color images even in low-light conditions.
How long does the BolyGuard's battery last?
The BolyGuard runs on standard batteries with an estimated life of approximately 6 months under normal use.
Where does the BolyGuard save its photos?
The BolyGuard uses standard SD cards for image storage. Maximum card capacity is not specified by the manufacturer, but most modern trail cameras support at least 32GB cards.
Is the BolyGuard better for hunting or security?
The BolyGuard scores highest for Wildlife Observation based on its feature set. As a standard camera, it excels in traditional setups where you visit the site regularly -- seasonal hunting, trail scouting, or backyard wildlife observation.
Any tips for getting the most out of the BolyGuard?
Mount the BolyGuard on a sturdy tree or post at about 3-4 feet high, aimed slightly downward toward the target area. Position the camera facing north or south to avoid direct sunlight triggering false captures at sunrise and sunset. With a 0.7s trigger speed, placing the camera perpendicular to trails rather than pointing straight down the path gives subjects more time in the detection zone.
Why choose the BolyGuard over a cellular model?
The BolyGuard offers simplicity, reliability, and no recurring subscription fees. Standard cameras generally have longer battery life than cellular models since there is no power-hungry radio. They are also typically more affordable, making multi-camera setups feasible. If you visit your hunting land or property regularly and do not need instant notifications, a standard camera is often the most practical and cost-effective choice.
Best For
How this trail camera scores for different use cases
37mp resolution. video recording capability. enhanced night vision.
No-glow ir flash won't spook game.
Standard trail camera for basic scouting use.
Color night vision.
Basic monitoring capability without remote access features.
Scores
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