... Momentary-ON,with/without light; 2) 2A,12VDC;T125,5E4; Anti-vandal metal Button Switch 12mm,16mm,19mm in diameter : 1 ... ecifications :1)Contact Resistance ≤20mΩ 2)Insulation Resistance ≥100MΩ ,at 500 VDC 3)Dielectric Strength 1000VAC/ 1minute 4)Electrical Life ≥50000 ... , the multimedia products and the electromotional instruments field etc. Anti-vandal metal Button Switch 12mm,16mm,19mm in diameter