Hunter NODE-BT-400 4-Station Bluetooth Irrigation Controller – Battery Powered (NODEBT400)

Hunter NODE-BT-400 4-Station Bluetooth Irrigation Controller – Battery Powered (NODEBT400) is a professional-grade irrigation controller designed to provide convenient, wireless, and efficient watering control in areas without access to AC power, making it ideal for remote landscapes, valve boxes, drip irrigation systems, and retrofit applications. Capable of managing up to 4 irrigation zones, this battery-powered controller operates on one or two 9V batteries, delivering reliable long-term performance without the need for electrical wiring. Featuring advanced Bluetooth® connectivity, it allows users to fully program, monitor, and control irrigation schedules directly from a smartphone within a range of up to approximately 50 feet, eliminating the need to open valve boxes for adjustments . Built with a rugged IP68-rated waterproof and fully submersible enclosure, the NODE-BT-400 is engineered to withstand harsh outdoor conditions, including dirt, moisture, and flooding, ensuring dependable operation in demanding environments . The intuitive mobile app provides powerful features such as 3 independent programs with up to 8 start times each, seasonal adjustment, manual override, irrigation suspension up to 99 days, and battery status monitoring, offering flexible and efficient water management . Designed for compatibility with DC latching solenoids and optional sensors (rain, freeze, wind, or soil moisture), this controller integrates seamlessly into modern irrigation systems and supports water-saving automation . Additional features like event logging, location mapping, and battery-change reminders via the app enhance system diagnostics and maintenance efficiency . Ideal for gardens, greenhouses, parks, medians, and off-grid irrigation setups, the Hunter NODE-BT-400 delivers durable construction, smart Bluetooth control, and reliable battery-powered performance for contractors, landscapers, and homeowners seeking advanced irrigation control without wiring constraints.