This Zelio Logic SR2 compact smart relay / programmable controller uses a supply voltage of 100V to 240V alternating current. It has 12 inputs / outputs with screw-clamp terminals, has an integrated clock and LCD display. It has compact design, allowing installation on DIN rail. It also offers simple programming, display and diagnosing of malfunctions display and navigation buttons. Its simple ladder programming makes it adapted for non-specialists.