... have got UL,VDE,SEMKO certificate. ROHS compliant. 2-10 speed Piano keyboard switches products used for Stirrer,Juicer, ... Hood ,home appliances Specifications: 1)Contact Resistance ≤20mΩ 2)Insulation Resistance ≥100MΩ ,at 500 VDC 3)Dielectric Strength ... the multimedia products and the electromotional instruments field etc. 2-10 speed Piano keyboard switches products used for Stirrer,Juicer,Hood ...