ITEM NAME:In-Line Power Switch ON/OFF 2.1mm/5.5mm Cable Jack Arduino Plug 12V Economic 3C Working temperature: -20-60℃ Supply voltage: DC 12V Output: 1 channe Connectors: 2.1mm x 5.5mm Male & Female Suitable for many applications including controlling a LED strip. Switch body - approx 60mm long x 20mm wide x 20mm high (height includes actual switch rocker).Switch body - approx 60mm long x 20mm wide x 20mm high (height includes actual switch rocker). Output: 1 channe.