Zicom is know for Electronic Survelliance Products. However, one of the Products I have been using i.e. the Video Door Phone is pathetic. The product's power unit smokes out and the product becomes completely defunct. I have replaced the unit earlier when (luckily) it was within warranty. And they mentioned that the unit is not robust and becomes defunct if their is power fluctuation. While most of the other appliances in the home are safe and sound over the years, only the Zicom Product suffers such failures. The service engineers are... read full review »