I give the company to buy time attendance security door is because my friend was purchased to pull me to go to buy, when somebody else inside the store staff said that if we buy two so you can enjoy a 20 percent off discount, my friend for this 20 percent off to my company to buy one, originally I don’t want to buy but after hearing the staff of the powerful function of time attendance security door to me I want to buy it instantly, but now I have given my company installed time attendance security door, which after use is really think that a time attendance security door special use, and is especially convenient, I believe there will be more people want to buy later.