Security Camera Buying Guides & Resources

Security Camera Equipment for Chicago Warehouses and Businesses

Security Camera Equipment for Chicago Warehouses and Businesses

Author: BiJianxin
Published: September 24, 2026
Commercial buyers should match equipment to docks, aisles, entrances, yards, network closets, and retention obligations. Chicago weather and mixed for buyers.
Security Camera System Guide for Schools: Buying Around Real Risks

Security Camera System Guide for Schools: Buying Around Real Risks

Author: BiJianxin
Published: September 21, 2026
A school system should support supervised investigation and response, not simply maximize camera count. Start with entrances, common-area transitions.
Chicago PoE Switch Buying Guide for CCTV Installers and Businesses

Chicago PoE Switch Buying Guide for CCTV Installers and Businesses

Author: BiJianxin
Published: September 08, 2026
A Chicago-area PoE switch purchase should start with device count, per-port power, total budget, uplink path, rack environment, and outdoor-building links..
How Many TB for 16 4K Cameras Recording 30 Days? Worked Example

How Many TB for 16 4K Cameras Recording 30 Days? Worked Example

Author: BiJianxin
Published: September 07, 2026
At an illustrative 8 Mbps per camera, sixteen cameras generate about 41.5 TB over thirty days before margin. At 4 Mbps, the same math is roughly 20.7 TB. Real.
How Much NVR Storage Do Security Cameras Need? A Practical Guide

How Much NVR Storage Do Security Cameras Need? A Practical Guide

Author: BiJianxin
Published: September 06, 2026
Storage depends on average bitrate, camera count, recording hours, and retention days. Add all stream rates, convert bits to bytes, multiply by time, then add.
How to Choose a PoE Switch for a 16-Camera System Before Buying

How to Choose a PoE Switch for a 16-Camera System Before Buying

Author: BiJianxin
Published: September 01, 2026
For sixteen cameras, start with at least sixteen powered ports plus separate uplinks, then verify total PoE budget, per-port class, uplink capacity, rack fit.
What Security Camera Lens Works for a 100-Foot Parking Lot at Night?

What Security Camera Lens Works for a 100-Foot Parking Lot at Night?

Author: BiJianxin
Published: August 27, 2026
For a target 100 feet away, begin with required target width and pixels on target. A motorized varifocal or dedicated narrow view is usually more defensible.
Parking Lot Security Cameras: Features That Matter Before Buying

Parking Lot Security Cameras: Features That Matter Before Buying

Author: BiJianxin
Published: August 27, 2026
Parking-lot performance depends on purposeful views: overview, entrance lanes, pedestrian paths, and selected identification points. One wide 4K view rarely.