2 Way switches are generally used when there are two switches controlling one light. A typical example of this is when a room has two entrances (like a through lounge) where there is a switch positioned at either entrance.
Made from High quality ultra slim, premium grade material Complete with Integral gasket. Compliant to all relevant British safety standards. Minimum Mounting depth: 16mm. Dimensions: 87.5mm x 87.5mm. Supplied in Retail blister with full Fitting instructions. 15 Year Manufacturer Guarantee.