1.【Easy Installation Auto】Equipped with buckle, easy to install in all kinds of electrical engineering, as long as you have a 13mm*19mm hole. 2.【10000 Times ON-OFF Operating Life】Made of high quality polyamide eP(Nylon PA66) , this sturdy mini boat rocker switch is born for anti-corrosion,anti-acid and high resistant with silver terminals. 3.【Common Type】5Pcs SPST, ON-OFF, 2 Pins; 4.【Voltage】AC/DC 125V10A ; 250V/6A. 5.【Rocker Switch】Size: 21 x 15 x 25mm/ 0.8" x 0.6" x 1.1"(L*W*T) Mounting Size: 19 x 13 mm/ 0.75" x 0.5"