This metal back box electrical socket switch is the perfect solution for those in need of a durable and reliable switch. With a range of sizes available, from 1G to 2G and dual sizes of 16mm to 47mm, this switch is suitable for any indoor environment. The switch is wall mountable and made of sturdy metal material, ensuring it can withstand heavy use. This unit type switch is ideal for those looking for a smart home compatible solution, with not applicable/not available smart home protocol. It is recommended for use in indoor environments and comes in a sleek steel colour. This switch is made in China and is suitable for use with a range of electrical supplies.