# win-brightness > Get or set screen brightness in Windows ## Install ``` $ npm install --save win-brightness ``` ## Usage ```js var winBrightness = require('win-brightness'); winBrightness.get(function (err, brightness) { console.log(brightness); //=> 0.5 }); winBrightness.set(0.75, function (err) { console.log('Changed brightness to 75%'); }); ``` Based on [osx-brightness](https://github.com/gillstrom/osx-brightness) and [xdg-brightness](https://www.npmjs.com/package/xdg-brightness). Built to be used by [brightness](https://www.npmjs.com/package/brightness). ## License MIT © [Sondre Bjellås](http://sondreb.com)