Easy to install and use: Powered with USB｣ｬ you can play it with any devices have a USB port<br />There's very sticky adhesive on the back of the strip｣ｬ which can be firmly sticked on any surface.<br />The length of the strip is 0.5/1/1.5/2M｣ｬ and you can cut it into your desired length with scissors.<br />weight:150g<br />Length:0.5M｣ｬ1M｣ｬ1.5M｣ｬ2M