1、With USB port, you can use it to charge for your mobile phone at any time 2、Made of high quality material, it is durable and has long service life 3、The sofa hand controller features easy installation and simple operation 4、It is easier and more convenient for you to use with the LED backlight function 5、Wide application, suitable for electric sofa, massage chair and other lifting chairs Features: With USB port, you can use it to charge for your mobile phone at any time. Made of high quality material, it is durable and has long service life. The sofa hand controller features easy installation and simple operation. It is easier and more convenient for you to use with the LED backlight function. Wide application, suitable for electric sofa, massage chair and other lifting chairs. Specification: Condition: 100% Brand New Material: ABS Input: 12-29V USB Output: 5V-2A Working Current: 5A Indirect Drive Type: Need to use with power controller, controller built-in relay Lead Wire: 5521 Female Head, 22# Round Wire (Cold resistant wire: not easy to break) Package Size: Approx. 20 x 15 x 6 cm / 7.9 x 5.9 x 2.4 in Weight: Approx. 134g / 4.7 oz Package List: 1 x Sofa Hand Controller