How long do security cameras keep their footage?

How Long Do Security Cameras Keep Their Footage?

On average, most security cameras keep their footage for 30 to 90 days. For residential smart home cameras (like Ring, Nest, or Arlo), the standard retention period is 7 to 30 days depending on your cloud subscription tier. For commercial properties and large enterprise NVR systems, footage is typically stored for 30 to 90 days to comply with insurance liability and local regulations.  

Once a security system reaches its maximum storage limit, it does not stop recording. Instead, it utilizes an automated process called loop recording, where the system automatically overwrites the oldest video files to make room for fresh data.  

Average Footage Retention Times by Industry

How long a camera holds onto its data depends heavily on its environment and the legal or financial risks involved. Here is a baseline of industry standards for video storage depth:  

• Residential Homes: 7 to 30 Days (Typically focused on short-term event tracking like package deliveries or minor vandalism).  

• Retail Stores & Restaurants: 30 to 90 Days (Mainly used to resolve slip-and-fall liability claims, employee theft, or cash register discrepancies).  

• Corporate Offices & Warehouses: 60 to 180 Days (Geared toward logistics tracking, inventory shrink, and long-term security auditing).  

• Banks, Hospitals & Casinos: 180 to 365+ Days (Strictly regulated sectors that require up to a full year of archived video to support federal compliance laws and fraud investigations).

Storage Breakdown: Local NVR vs. Cloud Subscriptions

Your retention window is directly bound to the type of storage architecture your camera network uses.

1. Local Storage (NVR / DVR / microSD Cards)

When you store video locally on hard drives, you control the calendar. If you have an 8 Terabyte (8TB) hard drive running four cameras, your footage might go back 45 days. If you add four more cameras to that same drive, your retention window instantly cuts down to about 22 days.

• The MicroSD Limit: Cameras storing video directly onto an internal microSD card have the shortest retention spans—usually only 3 to 14 days of motion clips before loop recording overwrites the card.

2. Cloud Storage Subscriptions

With cloud-based Wi-Fi cameras, your footage length is strictly defined by the monthly plan you pay for.  

Camera Brand	Free Plan Retention	Basic Paid Plan Tier	Premium Paid Plan Tier
Ring	No video saving (Live view only)	180 Days rolling history	180 Days rolling history
Google Nest	3 Hours of event history	30 Days of event history	60 Days + 10 days of 24/7 history
Arlo	No video saving (Live view only)	30 Days cloud history	30 Days cloud history
Eufy	Local storage only ($0)	30 Days cloud history	30 Days cloud history

How to Make Your Security Camera Footage Last Longer

If your current security system is deleting video files faster than you would like, you don't necessarily have to buy expensive new hardware. Try these three adjustments to stretch your storage capacity:

1. Switch from 24/7 to Motion-Activated Recording: Continuous recording captures hours of empty, quiet hallways and dark rooms. Changing your schedule to "Record on Motion Only" can easily extend a 7-day hard drive retention window into a 30-day window.  

2. Lower the Frame Rate (FPS): Security footage doesn't need to look like a Hollywood movie. Dropping your camera's frame rate from 30 frames per second down to 15 FPS slashes the data size of your videos in half without losing visual clarity.

3. Upgrade to H.265 Compression: Check your camera's internal encoding settings. If it is currently set to the older H.246 standard, switching it to H.265 (High-Efficiency Video Coding) will compress your video files up to 50% cleaner, instantly doubling your storage lifespan.