The XR03CX 4DAFFLS temperature controller delivers accuracy temperature management for refrigeration systems, featuring double relays outputs ( compressor control + alarm / auxiliaries) and upgraded 32 bit microprocessor technology in a compact 32×74×50mm design Designed for seamless compatibility across 115V / 120V systems without converters, this sturdy built controller combines safe with effortless installation in refrigeration setups Perfectly integrates with commercial dispensers, pantries refrigerators, miniature fridges, and beverage tap systems to maintain optimal storage conditions for perishables and beverages Engineered with generic 115V±10% voltages compatibility ( 103.5V–126.5V ranges), this controller ensures stable operations for refrigerators, freezers, and commercial beverage dispensers while offering over / under voltages protections and factory reset functionality Ideal for commercial establishments, home pubs, or hospitality businesses requiring efficient climate control for appliances like kegs systems, wine coolers, or upstanding display freezers