Wired doorbells draw power from two wires that are connected to a transformer that steps down your household power to between 16 to 24 volts. If your home is not equipped with doorbell wiring you can wire it yourself using a plug-in transformer, or have an electrician do the work for you. Either way, some drilling will be required to run wires from the inside of your home to an exterior location.
Any smart doorbell worth its salt is equipped with a video camera that sends an alert to your phone along with a live video stream when the doorbell button is pressed. Video is accessed via a mobile app that is also used to install the device, configure wireless settings, and set up alerts. You'll pay more for doorbells that offer features like 1080p video, motion detection, two-way audio that lets you speak with whoever is out there, and on-demand video streaming. To avoid false alerts from passing cars, high winds, and any critters you may have roaming around your property, look for a doorbell cam that offers customizable motion zones.

Molly K. McLaughlin is a New York-based writer and editor with more than a decade of experience covering technology. She has tested and reviewed all sorts of software, mobile apps, and gadgets. Before launching her freelance business, she was an editor at PC Magazine, covering consumer electronics, followed by a stint at ConsumerSearch.com, a revie... See Full Bio
Quik is from a newer generation of video editor apps. It's halfway decent if you need something simple. The way it works is you add up to 50 photos and video clips into the app. The app then analyzes them and spits out a short video from them. Quik contains about two dozen video styles and you can re-order and customize your video before you export it. It’s not nearly as powerful as something like Adobe Premiere Clip or PowerDirector, but not everyone needs something that intense. It's free to download with no in-app purchases.
Advanced abilities continue to make their way into accessible, affordable, and consumer-friendly video editing software as each new generation of software is released. For example, multicam editing, which lets you switch among camera angles of the same scene shot with multiple video cameras, used to be a feature relegated to pro-level software. Now this and many other advanced effects are available in programs designed for use by nonprofessional enthusiasts.
Talking about the editing features, it sports a multi-track timeline which means you can add more than one video and audio tracks. You can add background music or record voice-over right there in the app itself. There’s a built-in asset store where you can both free and paid music, clip graphics, fonts, stickers, transitions, and more to enhance your video. Other features include auto audio ducking, speed control for time lapse, and keyframe animation among other things. This is a feature rich video editing app for iPhone and one of the best ones you can find on the App Store.
Support for 4K video source content has become pretty standard in video editing software, but the support varies among the products. For example, some but not all of the applications can import Sony XAVC and XAVC-S formats, which are used by Sony's popular DSLRs, mirrorless cameras, camcorders, and professional video cameras. The same holds true for the H.265 High Efficiency Video Coding (HEVC) standard. Most of the applications here now can import and export HEVC, though there are still a few holdouts.
Using this app, you can create awesome green screen videos. PowerDirector also comes with tutorial videos for all of its functions. Most of its features are available in the free version, but upgrading to the full version allows you to remove watermark, ads, and even to extract videos in 1080 and 4K resolutions. It is supported in Android 4.3 and above.

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