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Again for audio use Audio runs should always have shielded cable I would recommened 22 Gauge Shielded with drain wire. You might have an issue with th distance so worst case scenario you buy an audio amplifier which can be somewhat inexpensive. On a side note, Speco make some nice cameras, however part numbers constantly change and items become dicountinued very quickly leaving the fact open that once they run out of those cameras from the container over seas they find a new camera from another manufacture to sell. A surveillance system wether a cheap or expensive one should be carefully thought through, the less you spend the more quality you jeopardize, plain and simple. Look dont be fooled by who ever tells you they have the best camera on the market or by a company that sells one brand, because guess what? That one brand that they sell that they claim they manufacture they are going to push it like its the second coming. Ask the following questions: Whats the warranty? Do You have a genuine spec sheet? What is the life span on the IR Leds? How long has the product been on the market? As rory said before improving the lighting is best in any low light condition. Super EX wave cameras are good, however the best performance you are going to get out of that chip is on a true Sony camera made by Sony.

One more thing-- It is always better to run 24VAC for your cameras, reasons are below. Cleaner power Less likely to be interfered. A camera running on 24VAc will require less Amps. If you use Cat 5 you will have to double up on the pair if the current is strong and you run 24VAC. For the temprature issue, most name brand cameras will work in low tempratures they are calculated in Celsius, normally 10 degrees Farenheit is not that big of deal and most well made cameras will withstand that degree without a need for a heater.

I have taken the time to read your posts carefully and I have a few ideas for you and some food for thought. 400 ft on RG59U is perfectly fine, however wether you run RG59U or Cat 5 outside if you do not want to spend the money for direct burial do yourself a favor and run the wire in conduit. Another idea would be to run it in the same tubing that sprinkler companies use to run water from sprinkler head to sprinkler head, it costs a lot less. Running the video over Cat 5 is fine however you will need 2 video baluns per camera and good pair of surge protected video baluns will cost around $20 each. If you want to save money go with RG59U siamese with the 18/2. Audio runs should always have shielded cable I would recommened 22 Gauge Shielded with the drain wire for a quality audio sound. Lastly I have checked out the cameras you have been looking at and the companies you have decided to go with. Do yourself a favor and try and stay away from companies that carry None name brand cameras, especially since they are importing cartons of these cameras and you have no idea the actual specs or where they are coming from. Also it is quite possible that the camera you order today will no longer exsist next month. Not a good sign. Stick with a company that carries name brand products. Even some of the none well known companies such as Nuvico, Everfocus, Kt & C, all make nice products have REAL warranties and the specs on the cameras have been tested and are prorerly documented with PDFS. By no means am i trying to scare you but places like cctv imports and mace do not make the cameras nor do they have genuine PDF's on their cameras, so the specs are up for debate. Good luck with your system and I will surely assist you if need more help. Thank you and Happy Holidays.

I have some experience with the Chance-I Dvr card. Not a bad card lacks many features if compared to Geovision. I spoke with them at the 2005 ISC east show and was not to impressed with the demos. I will say this I have not seen a better 32 channel card then the one they manufacture. They do OEM there product. Allowing you to change just about any graphical feature. Matter of fact the 2004 ISC east show was the year of the Chance-I OEM cards. While attending I noticed that just about everyone was selling an OEM verision of Chance-I at the show, how boring. Geovision does allow you to change the graphics as well as purhcase an SDK upon request and approval. Finally you are able to get rid of that blinking eye in the top corner.

try visiting digitalwatchguard.com for fujinon lenses, if you do not see the lens on there site ask them, they are very helpful.

These are a few things I would question on that above 32ch pc based dvr 1. Who is the manufacture of the above dvr card? 2. Who are the manufactures of the pc components? 3. What is the manufactures warranty on each of the individual computer components and the dvr card? 4. How often do upgrades come out on the DVR software. 5. What PTZ protocals does it accept? 6. Does the dvr cards manufacture offer tech support? 7. Does your company offer tech support and can you help me with network configurations to set up remote access? Just a few of the many questions an end user and or installer should ask before purchasing a system that someone deems an excellent 32 ch dvr.

IF YOUR CUSTOMER WANTS A CHEAP SOLUTION FOR A 8 OR 16 CHANNEL DVR IT ALL DEPENDS ON THE APPLICATION. A CUSTOMER SEEKING A CHEAP SYSTEM FOR A LARGE BUSINESS WITH HEAVY CUSTOMER TRAFFIC AND MONEY TRANSACTIONS WILL NOT GET THE SAME USE OUT OF A CHEAP SYSTEM LIKE A MOM AND POPS LOCATION WOULD. FOR MOST SMALL STORES, 7.5 FRAMES PER CAMERA IS MORE THAN ENOUGH. FOR LARGER BUSINESSES YOU MIGHT WANT TO BUMP THAT UP TO 10 OR 15 FRAMES PER SECOND. EXPLAIN TO YOUR CUSTOMER THE BENEFITS OF SPENDING A LITTLE MORE AND RECEIVING A HIGHER FRAME RATE. IF THEY DONT TAKE IT THEN AT LEAST YOU OFFERED. TRY LOOKING AT THE GEOVISION 8 CHANNEL 60 FPS CARD AND IF THEY CAN SPEND A LITTLE MORE GO WITH THE 8 CHANNEL 120FPS. THAT SHOULD PROVIDE A LOW COST SOLUTION WITH GOOD QUALITY.