On examining it he found that the door was not a door; it had neither hinges, cross-bars, lock, nor fissure in the middle; the iron bands traversed it from side to side without any break.

仔细看了以后，他才知道那并不是门。 它既没有门斗，也没有铰链，既没有锁，中间也没有缝。

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Quick opening side door, can add the side lock, easily install and maintain.

快开侧门，可加装侧门锁，方便安装和维修。

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The side of the safety door is provided with the magnetic self-locking device which consists of a lock box and a small magnet.

安全门侧边装有磁力自锁器，自锁器由锁盒和小磁铁组成。

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Turn down the thermostat at home without leaving the office, catch live video of your pets with your smartphone, or lock the back door from the other side of town.

ENGADGET: AT&T to release Digital Life home automation in March