ITEM NAME:20pcs 4x4x3mm Micro Waterproof Copper Tactile Tact Touch Push Button Switch LJ a.imagelink a:hover.imagelink {color:#ffffff;.20 Touch Push Button Switch 4x4x3mm. Switch Size : 4 x 4 x 3mm (W L H). Dielectric strength :250V AC for 1 min. Mounting Type : SMD. Rated Load :0.5A 12V DC.