The Rain Bird RIG5171 is a genuine 4-zone single-disc irrigation controller designed for reliable use in residential and light commercial irrigation applications. This weather-resistant controller features a large, easy-to-read display and intuitive programming with 3 independent programs and 4 start times per program. It supports a 7-day, odd/even, or cyclical watering schedule and includes a master valve/pump start circuit. The RIG5171 is compatible with rain sensors and offers a seasonal adjust feature from 10% to 200%. It operates on 120 VAC, 60 Hz input power and provides 24 VAC output, with a CR2032 battery backup for program memory.