For over 15 years, we have earned the confidence of our valued customers in providing security technology equipment & service in the USA. HEIVISION and It's parent company: Best Surveillance System as well as its predecessor: Sitailong International Inc has been involved in the research and develpment of digital video technology since 1990's, the digital video surveillance systems developed & integrated by HEIVISON have been widely applied in banks, school, supermarket, office building, residential building etc. The most prominent clients include Asian Bank, First Central Savings Bank, Chinatrust Bank USA, Staten Island College, McDonalds, Burger King, Dunkin Donuts, Subway etc.

Recently HEIVISION has developed several models of high definition (HD) megapixel IP cameras and NVR that will soon be used to replace the existing CCTV camera and DVR. HEIVISION HD megapixel IP cameras possess the features of very clear photo quality images that is over 12 times higher resolution than the existing CCTV camera, very low lux (0.01 lux)that will allow the camera to display the images under very low light conditon. Our 2 Megapixel HD IP camera retains the function of zooming in the recorded video to identify person's face and reveal the detail of object such as the license plate.

We stand behind the quality of our products, and ensure that our products are stable and reliable. Our customer service office and Research & Development Department are located in New York, with an oversea facility in Asia. Therefore we can provide 24 hours customer service to answer any questions in selection of product, installation and technical issue. Thanks for visiting our website.