ITEM NAME:12mm Waterproof Round Stainless Steel Momentary on/off Push Button Switch Product Description Description: Features: 100% brand new, high quality; Stainless steel construction prevents rust and corrosion; Four inserting sheets; With NC function; Round head (without lamp); Specifications: Product name: 12mm Waterproof Round Stainless Steel Momentary on/off Push Button Switch Operation mode: reset type Working current: 2A Working voltage: 3V-250V Product size: 27 X 17 X 17mm/1.06 X 0.67 X 0.67" (L X W X H) Packing size: 150 X 100 X 1.7mm/5.91 X 3.94 X 0.07" (L X W X H) Net weight: about 10g Gross weight: about 12g Installation hole diameter: 12mm/0.47" Included: 1 X Momentary Push Button Switch.Operation mode: reset type. Stainless steel construction prevents rust and corrosion;. Net weight: about 10g. Round head (without lamp);. If item is defective after 3 months, you can still send it back to us.