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How Do CCTV Cameras Work?

CCTV camera for video surveillance

For Home Security & CCTV Services, Call (800) 968-2871!

CCTV stands for closed circuit television. Instead of being publicly broadcasted, signals from security cameras are sent to private monitors for surveillance. If you are considering installing CCTV systems for commercial buildings or home security, it helps to know how they work.

Continue reading to learn how CCTV cameras prevent theft while keeping you safe. For help finding the best security cameras, give the fire protection contractors at Fire Pros a call.

For security services in Grand Rapids, Michigan, call (800) 968-2871! 

Security Camera Placement

You’ll need to strategically place surveillance cameras around your home or commercial building. For example, it’s standard to have security cameras trained on the entrances and exits. If you live in an upscale neighborhood, you may decide to install home security cameras for your front and back yards. A home surveillance system can reduce the likelihood of a break-in so you and your family have peace of mind.

Many of our customers decide to install visible and hidden cameras for maximum security. Visible cameras deter shoplifting by letting people know they’re being watched. Hidden cameras, on the other hand, are great for capturing footage of people who try to hide their faces from the cameras.

Hidden cameras can also catch employee theft and let you know which of your workers are honest. In the retail industry, loss from employee theft is referred to as inventory shrinkage. While you may not like to think about your own employees stealing from you, it’s also important to protect your livelihood with a security system.

Security Monitors

A closed-circuit TV has 4 parts: CCTV camera, lens, monitor, and cables. Signals from your CCTV cameras are sent to monitors via wireless communication links or private coaxial cable runs, which makes them “closed circuit.” In other words, other people won’t be able to access your video surveillance footage.

Unlike the grainy black and white monitors of the past, modern security camera systems are in high-resolution color. The footage is recorded on videotape or DVR. Some CCTV systems even allow you to zoom in and track movement.

For example, security personnel can use the CCTV system to track a suspicious person walking around your commercial building after hours. The type of lens your camera has will determine whether it can zoom in and out.

Who Uses CCTV Cameras?

CCTV cameras can be used for both residential and commercial properties. Many businesses (like banks and airports) need security cameras so they have a visual record of activities. CCTV systems can handle two or more cameras, which is great if you need to keep a large area secure.

While outdoor security cameras often deter burglars, they are still useful after a break-in. When you file a report with the police, you’ll be able to give them the security footage the day of the break-in so they can identify suspects.

A home security camera system can also capture suspicious behavior, like someone casing your house several days in advance. The sooner you report suspicious behavior to the police, the safer you and your family will be.

Call Fire Pros for Security System Services

Our fire protection company is based in Grand Rapids, Michigan, and offers services around Cadillac, Grayling, Holland, Kalamazoo, Lansing, Muskegon, Norton Shores, Portage, Roscommon, Saginaw, Traverse City, and Wyoming.

Fire Pros is a security system company that offers commercial and home security systems to customers in six states. We cover all of Michigan. To learn more about our security and alarm systems, call (800) 968-2871.

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Local Reviews

Fire Pros Inc Rated 4.9 out of 5 stars based on 2282 customer reviews

Map of Grand Rapids, MI

Great Service




Review of Fire Pros Inc


Map of Roscommon, MI

Great Service




Review of Fire Pros Inc

Service Tech. installed a combo exit sign and emergency light. Service was quick, Tech was friendly and efficient.


Map of Grand Rapids, MI

Great service




Review of Fire Pros Inc

Sean is professional and gets the job done. We appreciate his patience with us as it was a busy day when he visited. (this message applies to all the Satisfaction Surveys from Sean's visit)


Map of Saranac, MI

great service




Review of Fire Pros Inc


Map of Tekonsha, MI

Great Service/ Great Tech




Review of Fire Pros Inc

Technician was excellent and very knowledgeable. Talked me through everything he was doing and how the system worked.


Map of Hudsonville, MI

DATA/IT




Review of Fire Pros Inc


Map of Traverse City, MI

Poor planning / communication




Review of Fire Pros Inc

2 people were scheduled to show up at 1:15 PM. One showed up at 1:15, the second could'nt make it until about 4:00. Nobody called and told me this was going to happen. I had to basically miss an afternoon of work to accommodate both guys


Map of Bay City, MI

did a great job




Review of Fire Pros Inc

very good company!


Map of Greenville, MI

explained what he was doing thoroughly




Review of Fire Pros Inc


Map of Grand Rapids, MI

Friendly and Informative




Review of Fire Pros Inc

While Sean and I were waiting for the system to be set to 'test mode' he took the time to show me what I would need to do if the sprinkler system ever started going off and what I would need to do next ! I've been the manager here for the past four years and none of the other tech's have ever taken the time to show me these simple precautions in case of Emergency / accidental set off of the system by any individual.


Fire dept connection repair




Review of Fire Pros Inc

Excellent service, team arrived told me what was planned, implemented, had a short closing discussion (I had not questions) and the job was complete.


good service




Review of Fire Pros Inc

Always a pleasure to work with them.


SEAN WAS VERY INFORMATIONAL AND HAD A GREAT PERSONALITY!




Review of Fire Pros Inc


Great Service!




Review of Fire Pros Inc


pleasant experience




Review of Fire Pros Inc

The tech was very patient as we tried to get food orders out so he could do his inspection. Very informative.


Pleasant service




Review of Fire Pros Inc


Very thorough & knowledgeable




Review of Fire Pros Inc

I am new to this site. It was nice that he new his procedures so I just had to fine keys & areas. I have not seen the costs yet.


Professional good service




Review of Fire Pros Inc

Tyler Hyland provides good quality service in his inspection and repairs for our alarms.


very knowledgeable, great personality




Review of Fire Pros Inc


Friendly service




Review of Fire Pros Inc


Alex R.

Alex R.

System was in Alarm Upon arrival, Clipper St FACP was froze up and required cold start Reset. Restarted FACP and Reset System to all Systems Normal. While On-Site was informed that during remodel a horn/Strobe that was moved failed to function. After trouble shooting found that the wiring to the strobe was incorrect and corrected. And Tested System to ensure Horn/Strobe functioned. Reset System ***All Systems Normal and Reset *** Also Per. Dan would like a quote for his 6” Water Flow Switch so it can be Replaced

Near Clipper St, Plymouth, MI 48170
Brandon  F.

Brandon F.

Near Central Pkwy, Hudsonville, MI 49426
Art L.

Art L.

Emergency / Exit Lights and Portable Extinguishers Inspection

Near Gaynor Ave NW, Grand Rapids, MI 49544
David H.

David H.

Near Humboldt Dr, Novi, MI 48377
Austin C.

Austin C.

Near Apple Orchard Ln, Grand Rapids, MI 49525
Mike R.

Mike R.

Inoperable Deficiency: The MS4 and power supply for the door holder is bad. Need a new MS4 panel and 10a power supply, with a aux relay that can power the 12 door holder in building 4328

Near Forest Creek Ct SE, Kentwood, MI 49512
Alex R.

Alex R.

7-18/7-19-2019 ALR UNITS REPLACED AND TESTED ***All Systems Normal and Reset ***

Near W Park Dr, Novi, MI 48377
Alex R.

Alex R.

7-19-19 ALR UNIT REPLACED AND TESTED ***All Systems Normal and Reset ***

Near W Park Dr, Novi, MI 48377
Alex R.

Alex R.

Replaced a total of 84 Smoke Alarms that were Deficient from Recent Inspection and all were tested. ***All Systems Normal and Reset ***

Near W Park Dr, Novi, MI 48377
Brandon  F.

Brandon F.

Near Ivanrest Ave SW, Wyoming, MI 49418
Art L.

Art L.

Portable Extinguishers Inspection

Near Plainfield Ave NE, Grand Rapids, MI 49525
Ron  R.

Ron R.

Near Division Ave S, Wayland, MI 49348
Art L.

Art L.

Emergency / Exit Lights, Portable Extinguishers, and Kitchen Suppression Inspection

Near Salerno Dr NE, Grand Rapids, MI 49525
David H.

David H.

Portable Extinguishers Inspection

Near Crossing Cir, Traverse City, MI 49684
David H.

David H.

Near Burg Rd, Warren, MI 48089
Art L.

Art L.

Return (2) extinguishers pulled for service at inspection 7-16-2019

Near Plymouth Ave NE, Grand Rapids, MI 49505
Austin C.

Austin C.

Near Grandville Ave SW, Grand Rapids, MI 49503
Art L.

Art L.

Annual Fire Extinguisher Inspection (23 FE) Semi-Annual Kitchen Suppression System Inspection

Near E Sherman Blvd, Muskegon, MI 49444
Sean W.

Sean W.

Near Maywood St, Chelsea, MI 48118
Gerald R.

Gerald R.

Near Leonard St NE, Grand Rapids, MI 49505
Sean W.

Sean W.

Near Ann Arbor-Saline Rd, Ann Arbor, MI 48103
Tyler H.

Tyler H.

Annual Fire Alarm Inspection Potter panel- 43 SD, 1 HD, 6 DD, 11 MP's, 1 flow, 2 TS, 39 HS's, 14 Strobes, 72 low Freq. HS's Need to access every room. Bailey center will provide chaperone to assist in entering rooms.

Near Bailey St, East Lansing, MI 48823
Art L.

Art L.

Semi-Annual Kitchen Suppression System Inspection Annual Fire Extinguisher Inspection (27 FE)

Near Sanford St, Muskegon Heights, MI 49444
David H.

David H.

Near S Leja Dr, Vicksburg, MI 49097
Austin C.

Austin C.

Near Celadon Dr NE, Grand Rapids, MI 49525