Specification: Rated voltage:AC250 V Current:3 A Working temperature:-25℃~+85 ℃ Actuating force:1.3+0.5 N Contact resistance:0.03 Insulation resistance:100 M Feature: Easy & convenient for use. Meet your different needs at different times on the brightness of the light. You can adjust the brightness through the knob. Package included:1*dimming knob switch