Check the listing for details. Rain Bird ESP9V 2Station Irrigation Controller Battery Operated. Condition: New. Listed at 132.99 USD. Professional-grade battery-operated irrigation controller designed for remote valve boxes and off-grid applications. The ESP-9V2 delivers reliable 2-zone automation without AC power requirements. Waterproof construction with dual-sealed battery chamber withstands prolonged exposure to moisture, mud, and extreme temperature swings. Field-tested durability exceeds competitor performance by 70%—proven to operate through alternating hot and cold submersion cycles where competing units failed within 48 hours. Ideal for contractors managing distributed valve stations, property managers maintaining landscape zones without electrical infrastructure, and professionals needing dependable control in harsh outdoor environments. Compact design fits standard valve boxes for discreet installation.