Before use this door, but the time attendance security door is installed and I recently to the company which is completely different, how I did not think of the time attendance security door recently installed will be so advanced, and the function will be so strong, when I heard people buy the store staff said this one but the most popular and best selling a store for them inside it, I still think is because they want to sell their products to sell a little earlier will say that, but now after use will have to believe all the people said before is true, the time attendance security door is indeed the product I have ever used inside a newbest.