Cyrex MHF-250 B/W Hands-Free Intercom System Review

This intercom is relatively easy to hook up, works well with the optional magnetic door release that our locksmith installed. The black and white picture resolution is fine even at twilight. The manual doesn't cover much troubleshooting and left out a few things like how to set the clock (Who would have guessed it'd be Year/Month/Day), but a phone call to Cyrex got a prompt, knowledgeable technician to explain a few details. He said they were working on a new manual, so no biggie. It has a neat feature of recording a snapshot the last 32 times the doorbell rings and will blink, like and answering machine, if you miss answering the door when someone calls on you. With the press of a button you can cycle through the photos and see who you missed, and or who else came by when you weren't around as a reference. Pretty nifty, but not in the book.

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Product Description:
The MHFB/Wseries Hands-Free Intercom System is a cost effective solution to enhancing the level of security for your home or business. Offering similar features as the CHF color series, this system is easy to install and easy to operate. With the hands-free intercom system, you can safely identify visitors before answering.Simply by ringing the doorbell, the system transmits live audio and video directly to the monitor.At that point, you have the choice to enable intercom communication with one touch of a button. With the built-in 32 picture memory function, each picture is date and time stamped to show you who was at your door even when you are not home. Installation is a quick and easy.The system supports a wide range of wires from CAT5 (24AWG) to 18AWG.Installers may also utilize the wires from an existing door chime. The hands free intercom system is a non expandable One to One system.

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SVAT VISS7500 Hands Free Video Door Phone Intercom System w/5-Inch LCD & Outdoor Night Vision Security Camera (Color) Review

I was very disappointed with this product. Everything feels cheap, and it also functions that way.

Maybe it's just my specific product, but the picture quality is really, really bad. You can hardly say it's a color monitor. Even dark blue colors look white. It makes me wonder how they created the product images...

The angle of the camera is ridiculous. The camera must be placed in front of the person to see him right. I thought I could place it aside the door, but then you will not see your guest. They say it has tiltable camera lens, but actually, you can tilt it only vertically. Changing the position horizontally ends up with a picture of your guest profile.

There is no option to change the volume of the doorbell or to disable it.

To make it worse, when you turn on the camera, it makes a sound on the outside unit, making sure the person know that you are looking at him...

It is so bad that I've decided to put it aside until some other use arise.

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Product Description:
Do you get uneasy when you or your children have to open the door for a stranger? With the VISS7500, you can see who is at the door before you open it and you can even communicate with them without having to open the door at all. The VISS7500 is an ultra thin system (1-inch thick) that provides a clear image of your visitor. It is artistically designed home or business use. This unit provides an extra measure of security and convenience with its two wire connection and electronic door opening button. The monitor is wall mountable for convenience and versatility. The tilt able camera adjusts the camera angle depending on your system installation location. Six infrared LEDs let you see in the dark. You can safely identify visitors before answering with the intercom system. When the doorbell is rung, the picture of the visitor will automatically be displayed. This process provides you with the ability to identify the visitor before enabling communication with them simply by pressing the talk button and speaking to your guest. The VISS7500 has a 5-inch color TFT-LCD screen that will provide you with an accurate image of the person at the door. The best part of this system is the ease of installation. The VISS7500 uses your existing doorbell wiring. The video, audio and power all run through these two wires so no additional wiring is necessary. The VISS750 can be easily output to a TV, VCR, DVR or computer for alternative viewing or for recording.It is not compatible with multiple monitors.

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