The phrase "a feature which allows" is correct and usable in written English.
It can be used when describing a specific capability or function of a product, system, or software.
Example: "The new software update includes a feature which allows users to customize their dashboard for a more personalized experience."
Alternatives: "a function that enables" or "a capability that permits".
E1 CIRCUITS G1-8 TiVo Adds Portability TiVo has added a new technology, called TiVoToGo, a feature which allows consumers to watch recorded TV or movies on a computer.
Currently the game's main business model is in-app purchases of things such as lures – a feature which allows players to attract Pokémon – but Hanke told FT, "there is a second component to our business model at Niantic, which is this concept of sponsored locations".
Friendfeed now has a feature which allows just that.
Undearactuation is a feature which allows fully adaptability of robotic fingers for different objects.
The new version of Microsoft's messenger, released yesterday, includes a feature which allows users to place PC-to-PC or PC-to-phone calls to any of their online buddies using Net2Phone's software and technology.
BlackBerry -maker RIM demoed another pre-release build of BlackBerry 10 in London today – including showing the camera Timeshift software working in real-time, and detailing a feature which allows BB10 users to switch between a personal and work mode.
Tech-savvy English majors may also enjoy the Share-a-Sonnet feature, which allows the link to a Web-based version of a poem's performance to be posted on Facebook or Twitter.
I tested out the suitcase's handy attach-a-bag feature, which allows you to secure an additional bag to the front of your Mobilizer.
This mode is a Safari feature which allows you to load up a distraction-free version of a website without the site's formatting, ads, links and comments, among other things.
If you're anxious, you can use a streaming feature which allows you to get a live video feed of your food".
Google Maps today announced Google Maps Helicopter View, a new feature which allows users to see a helicopter view of the terrain they're about to travel.
