2019年1月2日 · Hear and speak to people at your door from your mobile device with Knoks built-in microphone and speakers. Choose one of two complementary faceplates to match your security to your home. Activate the siren from your phone, tablet and PC to scare away any suspicious activity caught on camera.

Scout is a bicycle locator and alarm, designed to seamlessly integrate into Apple’s Find My network of products, allowing you to keep track of your beloved bikes whereabouts, even when you’re not riding.

2018年8月17日 · alarm也称为闹钟函数，alarm()用来设置信号SIGALRM在经过参数seconds指定的秒数后传送给目前的进程。 如果参数seconds为0，则之前设置的 闹钟 会被取消，并将剩下的 时间 返回。

Set the hour and minute for the online alarm clock. The alarm message will appear, and the preselected sound will be played at the set time. When setting the alarm, you can click the "Test" button to preview the alert and check the sound volume.

敲门笑话（Knock-knock jokes）是欧美国家的小孩经常讲的一种英语笑话。 以双关语作为笑点，一般由两人对答而组成。 一个标准的敲门笑话由五句组成： A：Knock, knock!（敲门，咚咚咚！ B：Who’s there?（是谁？ B：X who?（X 是谁？ /哪一个X？ A：运用双关语制作出笑话。 knock是一个英文单词，名词、动词，作名词时意思是“敲；敲打；爆震声”，作及物动词时意思是“敲；打；敲击；批评”，作不及物动词时意思是“敲；打；敲击”。 翻译：应该先敲门，然后等 …

Online Alarm Clock - Designed to wake you up. Simple and beautiful.

2020年4月14日 · Know for its indoor and outdoor smart security cameras, Momentum enters the video doorbell market with the Knok Video Doorbell ($130). The Knok uses your existing doorbell wiring and an...

Shop doorbell, door knock signaler and alarm systems for hearing impaired, hearing loss or deaf people from our online shopping store

Alarm-Clock Keys – Setting Knobs. An assortment of 12 keys and setters for alarm clocks such as big ben, baby ben, and others. It is not an easy thing to find when the alarm clock key is missing. Nor is the clock hand setter knob. This assortment usually solves the problem and the clock will have a key to wind it again.