LED color: blue Panel logo: yes (power logo) Screw size: about 16 mm Panel diameter: about 17 mm Overall length: about 38 mm LED voltage: 12V Switch rated value: 3A/250V AC Type: latching Push button: push it - ON， release - ON， push it again - OFF 5 pins: +， -， NO1， NC1， C1 +: postive terminal -: negative terminal NO1: normally open NC1: normally closed C1: common 1 x Push Button Switch