The AI Extension offers eight additional Analogue Inputs while only taking up the space of two breaker units. AI ExtensionSKU: 100471£2,615.00PriceQuantity*Add to CartTechnical Information 4 analogue inputs (0-10V) or 4 digital inputs 4 analogue inputs for 0/4-20mA sensors Space-saving - the width of just 2 breaker units Specifically designed for home & building automation using Loxone CE certified and tested