The HUNTER Rain-Clik Wireless Rain Sensor is a complete wireless rain shut-off system designed to save water and prevent overwatering by instantly disabling irrigation when rainfall is detected. Using Hunter’s patented Quick Response® technology, the system reacts within seconds of the first drops — helping you avoid unnecessary irrigation even during short showers.

This complete kit includes both the wireless sensor (transmitter) and receiver module, with a long-range signal reach of up to 243 metres (line of sight). Installation is fast and cable-free, ideal for residential or commercial irrigation systems where running wire is impractical or unsightly.

• Key Features

• Complete wireless rain sensor system (transmitter + receiver included)
• Quick Response® technology stops irrigation within seconds of rainfall
• Wireless communication up to 243 m (line of sight)
• No wiring needed – ideal for retrofit installations
• Sensor mounts easily to gutters, eaves, walls, or conduit
• Receiver connects to standard irrigation controllers (24VAC)
• Adjustable vent ring controls dry-out timing
• Sealed, UV-resistant polycarbonate housing for outdoor durability
• Battery included and pre-installed in sensor

✓ Benefits

✓ Stops irrigation the moment it starts raining – no water waste
✓ Wireless design eliminates the need for trenching or cabling
✓ Protects plants from overwatering during rain
✓ Easy to install in new or existing irrigation systems
✓ Saves time, money, and water
✓ Compatible with most major 24VAC irrigation controllers

Technical Specifications

• System Type: Wireless rain shut-off sensor system
• Includes: Sensor (transmitter) + Receiver module
• Transmission Range: Up to 243 m (line of sight)
• Technology: Quick Response® rain shut-off
• Power Supply (Sensor): Long-life lithium battery (included)
• Power Supply (Receiver): 24VAC, connects to controller terminals
• Dry-Out Time: Adjustable via vent ring (approx. 2–5 hours)
• Rain Activation: Factory set at ~3 mm (adjustable)
• Mounting Options: Sensor – gutter, wall, conduit, or eave
• Housing Material: UV-resistant polycarbonate
• Receiver Connections: Normally-closed switch wiring
• Controller Compatibility: Works with most standard irrigation controllers

What You Get

1 × HUNTER Wireless Rain-Clik Sensor (transmitter)
1 × HUNTER Wireless Receiver Module
1 × Mounting bracket with arm
1 × Pre-installed lithium battery (sensor)
Installation instructions included