Product description
Professional 37MP/4K Surveillance. Autonomous. Weatherproof.
Here’s who the BolyGuard SG520-DB was made for:
Trail Scouts & Researchers: Virtually invisible 940nm no-glow IR lets you observe wildlife without spooking them—total stealth, every time.Property Owners: Keep an eye on your perimeter with vivid Color Night Mode, so you see exactly what’s moving after dark.Ranchers & Farmers: Monitor vast lands offline, no cell service needed, and run it solar-ready for year-round coverage.Outdoor Pros: Automatically keep tabs on remote gear and sites, with the flexibility to flip between Color or Black & White night vision.
Compact. Tougher. IP67 Armored.
Built for extreme conditions: waterproof, dustproof, and ready for jungles, deserts, or coastal zones.Rigorously tested to perform flawlessly in -20°F to 158°F. Low-Power Design
6+ months standby on just 4 AA batteriesSolar-Ready(DC Port)Advanced Encoding: Next-gen H.265 compression slashes file sizes and bandwidth use by 50% versus H.264, without sacrificing an ounce of quality.
Engineered for the Field
Every angle reflects a commitment to durability and practical functionality, ensuring reliable performance season after season.
Side View
Setup and navigation are simple and straightforward.
Thin Side View
Compact & Highly Portable
Back View (Mounting Hole)
Versatile, Secure Mounting
Internal View
Tool-Free Access & Power Flexibility
Daytime
Night (black&white)
Easy installation
Insert SD cards → Power on.Set rulesMounting
Schedule day/week/hour activations to eliminate human interference.
SG520 Evolution
Forged by Real-World Demands. Built for the Future.
Compare Your Options
Add to Cart
Add to Cart
Add to Cart
Add to Cart
Customer Reviews
3.9 out of 5 stars 24
5.0 out of 5 stars 1
5.0 out of 5 stars 3
—
—
Price
$47.49$47.49
—
$89.99$89.99
$85.49$85.49
$169.00$169.00
Video
4K
4K
4K
1080P
1080P
Still
37MP
45MP
45MP
48MP
36M
Sensor Tech
CMOS
CMOS
CMOS
CMOS
CMOS
Sensor Chip
4MP
5MP
5MP
16MP
8.4MP
Night Vision Range
90ft
100ft
100ft
100ft
100ft
Night Mode
Color or Black&White
Color or Black&White
Color or Black&White
Black&White
Black&White
Trigger Time
<0.7s
<0.7s
<0.7s
<0.7s
<0.7s
Network
None
None
None
None
4g/3g/2g
Color LCD
1.44″
2″
2″
2″
2.3″
Full Color Detail or Complete Invisibility: Whether you need to identify true colors or monitor without a trace, this camera delivers both in crisp 4K and 37MP resolution
Designed to Capture the Action: A lightning-fast 0.7s trigger speed and long 90ft range ensure it starts recording almost instantly the moment motion is detected
Set It and Forget It: Combines power-saving operation with smart H.265 compression and precise PIR sensing for reliable, long-term monitoring without constant maintenance
Your Multi-Purpose Outdoor Guardian: Whether you’re a trail gamer, homeowner, or wildlife watcher, this camera is built to be your reliable eyes in the wild
Ready for Demanding Use: Supports large 64GB SD cards and is built with a robust, weather-resistant design to handle tough outdoor conditions season after season
| Video Capture Resolution | 4k |
|---|---|
| Form Factor | Box |
| Night Vision Range | 90 Feet |
| Frame Rate | 30 frames per second |
| Item dimensions L x W x H | 2 x 2 x 2 inches |
| Water Resistance Level | Waterproof |
| Batteries Required? | Yes |
| Item Weight | 0.27 Kilograms |
| Video encoding | H.265 |
| Low light technology | Black&White or Color |
| Alert Type | Motion Only |
| Unit Count | 1.0 Count |
| Photo Sensor Technology | CMOS |
| Effective Still Resolution | 37 MP |
| International Protection Rating | IP67 |
| Maximum Webcam Image Resolution | 37 MP |
| Control Method | Remote |
| Audio Visual Recording Capabilities | Audio&Video |
| Product Dimensions | 2 x 2 x 2 inches |
| Item Weight | 9.6 ounces |
| ASIN | B0D4QK89R1 |
| Item model number | SG520-D（SD） |
| Customer Reviews | 3.9 out of 5 stars |
| Best Sellers Rank |
|
| Date First Available | August 21, 2024 |
| Manufacturer | BolyGuard |
Warranty & Support
Price last updated Mar 10, 2026 09:32:17 UTC. Availability and price subject to change. More info
