DEFENDER SENTINEL 8CH Smart Security System, 500GB DVR and 4 Dome/4 Bullet Cameras with 600TVL, IR Cut Filter and Night Vision

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Product Feature
- Ultra hi-res 600TVL with IR cut filter for true-to-life color accuracy
- Versatile bullet & dome camera combination
- Weather & vandal-resistant aluminum camera housing
- 500GB HDD
- Free 1 Step Remote Viewing software download auto-networks your DVR in minutes
Product Description
Trust DEFENDER to make thieves and vandals think twice about approaching your property. � Four sleek dome cameras blend seamlessly into any environment, while four outdoor bullet cameras keep a watchful eye with glare-reducing sunshade and 100 feet of automatic night vision. All DEFENDER cameras feature 600 TVL resolution and weather-resistant aluminum housing. You� �ll see everything happening on your property clearly, night or day, while your cameras are protected from the elements. View anytime, anywhere with remote viewing via Internet, smartphone, and tablet and receive email alerts with photo when motion is detected on your property. Our 1 Step Remote Viewing software application auto-networks your DVR in less than 5 minutes and is available as a free download for PC and Mac. Record over 2 years worth of footage on the included 500GB hard drive.� DEFENDER systems function just like a computer, with a mouse for pointing and clicking and an intuitive icon-based menu for easy set up and use.DEFENDER SENTINEL 8CH Smart Security System, 500GB DVR and 4 Dome/4 Bullet Cameras with 600TVL, IR Cut Filter and Night Vision Review
I have used many makes of DVRs and cameras over the past two years. My house was burglarized and I with a similar kit from Q-See I was able to get the guy convicted and he's enjoying some time in jail right now. Since that time I have been on a quest to get better and better cameras and have learned a lot along the way.This kit has many of the same limitation that I've come to expect from analog systems. The DVR has frame rate limitations on the number of channels you can run at the D1 resolution. Do your homework and understand that just because the cameras can do 600 lines (btw, that's nowhere near 720p (1280x720) if you look at the missing horizontal pixels) doesn't mean that's the level of quality you're recording. In order to support all 8 channels you will need to use CIF recording which has a resolution of 360x240. If you want to bump up to the highest D1 resolution (which is 720x480) then you have to either lower the framerate considerably or use fewer cameras. What you are seeing displayed on the screen live is likely not the same level of quality you are recording at. Which makes a huge difference if you need to use that recording to convict someone. If quality is critical for you then I would seriously considering looking for a system that can support D1 @ 30FPS on all 8 channels (they can be found in this price range). Better yet, go with IP cameras that can support 1920x1080 resolutions, but that's going to double your investment.
The interface, apps, and user friendliness is on par with the rest of the industry (which isn't saying much as they are all kind of unfriendly). The quality of the cameras is pretty good, but my experience with some of these kits has meant that 1 or 2 cameras will probably crap out in a year or less. Luckily analog cameras are pretty cheap and can be had for $50 or less.
All and all it's a good starter kit which may serve all you ever need, but be aware of it's limitations in recording quality. In my case that's a deal breaker since I know how important that was during my run in with a bad guy.
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