Mechanical Specifications – Dimensions: 5.7 X 5.7 X 1.2 (inches) – Weight: 8.2 oz / 230 g – Shipping weight: 35 oz / 980 g – Output: 12 zones + 1 master valve – Box contains: smart irrigation controller, AC adapter(110V->24V), wall screws, quick installation guide Electrical Specifications – AC Input: 24VAC, 50/60Hz, 800mA (adapter included) – Valve output: 24VAC, 50 / 60Hz, max 10VA – Master valve: 24VAC, 50 / 60HZ, max 10VA – WiFi: 802.11 N, 2.4Ghz, US / Japan / EU Warranty – 2-year limited hardware warranty – Indoor operating temperature range* : – 4° to 122℉ / -20℃ to 50℃ * For high temperature environments please ensure adequate air flow in vertical position.