rated:0.5A 30V DC lifing:5000cycles datametre:3.5mm operating force :3-30N sample:by free Specification:rated:0.5A ... switch,socket with rockerswitch,Snap-in and screw-on for PCB,b.2 pin AC power socketc.3pin ac ... power socket/mickey socket 3.Travel adaptor plug/adaptor plug for gift:have America standard,British standard, ... ,France,British and so on 0.5A 30V DC 3.5mm earphone jack