Specification : Opening diameter : 6mm/8mm/10mm/12mm Body material : Nickel plated brass Size : (please look at the option picture ) The length of wires : 14cm Waterproof level : IP65 LED colors : Red/Yellow/Green/Blue/White LED voltage : 3-6V /12-24V /110-220V LED Rating current : 15mA LED life : 40000 hours Packing : 1 x metal indicator