United even smart locks will have everyone should forget it time to bring the key, say myself I often forget, just Guangdong terms on a "big shrimp" to describe I was not wrong, I climb over the windows, pry over lock, unlock companies called off, I spent time in the door, think about my previous experience I was drunk. You also have this trouble? Take a look at linked even smart locks installed my home now. He belongs to the class of intelligent home, wireless, battery, do not think he is difficult to buy high-end battery oh, he used an ordinary 5th battery, four is enough, there are five kinds of open first method: fingerprint section two kinds: the key, because the appearance of the problem, is not seen on the surface of a key hole, and so his hands on the lower left corner and then the cover will pop up, you will not see the keyhole, the keyhole next two points is a positive and negative pole, is the case where no electricity, and then again without the key will be used to purchase a 9-volt battery box positive and negative two points aligned to the gate before normal door to provide power to replace the battery usually keys are rarely used. Third: password, which then can be independently set their own 6-digit password, simply the family door can set your favorite password per person. Fourth: credit card, credit card at the alignment of a brush before the door. Fifth: it is the mobile phone or tablet can be open, open smart home interface found in the remote control in the living room and open the door on it. In addition to talk about home security after arrangement, there are three, first: locks, handles up a breaking is a locked function, full lock, simple and convenient. It is also not twisting ah twist with a key, and sometimes also forget twisted anxious, not locked, it is easy to lock a thief forced open. The second: infrared sensor, 360 direct about five meters sensed something move will alarm occurs, there is a third door sensor, as long as the door opened a little will immediately alert, very safe and reliable. United even smart locks come reliable and safe, not only to solve the "big shrimp," the troubles, can solve the security problem, so I strongly recommend that this "big shrimp" who we are saved. Contact: Mr. Luo Tel: 18926049293 E-mail: dongzhou_luo@163.com Company Address: Bao'an District of Shenzhen City streets Liyuan Kai Hui Mao Industrial Park Road, Building D, 3rd Floor Company Website: http://www.l-unicom.com