ITEM NAME:20x 4x4x3mm Micro Waterproof Copper Tactile Tact Touch Push Button Switch Z a.imagelink a:hover.imagelink {color:#ffffff;.20 Touch Push Button Switch 4x4x3mm. Switch Size : 4 x 4 x 3mm (W L H). Mounting Type : SMD. Rated Load :0.5A 12V DC. Used in the fields of electronic products, household or office.