... 4.RoHS certificate Description of goods :12*12*8.5mm Tactile switch water-proof with square knob ,4pin, cap ,roHS certficate .1.Specification ... follows : Feature :1.Size :6*6MM,12*12MM2. Suitable with difrent switch cap 3.Multi operation force and height for option 4 ... .with matching cap 5.application including ,home appliance ,washing machin, ...