Operating Specifications
- 25 Volts AC at 12W  
 
- Operating temperature: -4°F to 158°F (-20°C to 70°C)  
 
- Survival temperature: -40°F to 185°F (-40°C to 85°C)
 
Certifications
- cULus [US and Canada], FCC Part 15b [US], CE [European Union], Smart Approved WaterMark [Australia]
 
SMRT-Y Kit Includes
- Controller Interface  
 
- In-Ground Soil Moisture Sensor  
 
- Anodized, rust-proof screws, 1.5″ (two per package)  
 
- Wire nuts – 5 blue, 2 gray, 1 yellow  
 
- Multilingual instruction manual, “Quick Start” Guide, and Soil Moisture sticker
 
Controller Interface Dimensions
- W: 3.0″ (76mm); H: 3.0″ (76mm); D: 0.75″ (19mm)
 
In-Ground Soil Moisture Sensor Dimensions
- W: 2.0″ (50mm); L: 8.0″ (200 mm); D: 0.5″ (12mm)  
 
- 18 AWG wire leads @ 42 in. (106.7 cm) length