This £1 Slot Meter is a versatile and robust unit, suitable for a variety of applications including large and small appliances, branch circuitry, and industrial settings. It is also compatible with universal smart home systems and can be installed both interior and exterior walls. Crafted from durable cast iron and metal, with a sleek black finish, this slot meter has a height of 1.20cm, a length of 1.80cm, and a width of 2.80cm. It operates on AC current and is designed to fit effortlessly into any setup, making it an essential component for your electrical needs.