Spruce Controller
| Gen 2 | Gen 1 | |
|---|---|---|
| Appearance |  |  |
| Dimensions | 160 x 160 x 35 mm | 185 x 110 x 22 mm |
| Wireless Radios | Wi-Fi Zigbee | Zigbee |
| Connectivity Requirements | Wi-Fi | SmartThings Hub |
| App | iOS, Android, Web | Scheduler SmartApp in SmartThings Marketplace |
| Maximum Zones | 16 + 1 Master or Pump Port | 16 |
| External or Wired Inputs | 2 (Rain Sensor or Flow Meter) | 1 (Rain Sensor) |
| Power Supply | 1 Amp, 24VAC | 0.5 Amp, 24VAC |
| Overcurrent Detection | On-board current measurement and PTC Fuse | PTC Fuse |
| Physical Zone Toggles | Yes, via Push Buttons | Yes, via Touch Buttons |
Spruce Sensor
| Gen 3 | Gen 2 | Gen 1 | |
|---|---|---|---|
| Appearance |  |  |  |
| Battery | CR123A | CR2477 | CR123A |
| Measurements | Soil Moisture Surface Temperature | Soil Moisture Surface Temperature | Soil Moisture Surface Temperature |
| Wireless Radio | Zigbee | Zigbee | Zigbee |
| Connectivity | Spruce Gen 2 Controller SmartThings Hub | Spruce Gen 2 Controller SmartThings Hub | Spruce Gen 2 Controller SmartThings Hub |
| Pairing Method | Magnet | Magnet | Button |
| Pairing Indicator | LED | Audible Beep | LED |
| Fastening Type | Twist off | Screws (4x) | Screws (2x) |
| Ability to force manual update | Magnet tap | Not available | Not available |