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Multi-Zone Irrigation
Compare zone count, scheduling controls, Wi-Fi features, and compatibility checks before choosing a yard irrigation controller or timer.
SATXTREM ST-08W Smart Soil Moisture Sensor with WiFi Water Timer
For the gardener who juggles a busy schedule, this smart soil moisture sensor is your reliable partner for keeping plants thriving when you can't be there. Instead of just automating watering, it acts as a personal plant caretaker, giving you peace of mind that your garden is healthy even during a hectic workweek.
The sensor's rain detection logic is a game-changer—it automatically delays watering on damp days, so you won't waste water or overwater after a surprise shower. You'll get instant alerts on your phone if soil moisture drops too low, letting you adjust settings remotely before plants suffer. With WiFi smart control, you can set custom schedules and tweak watering volume from anywhere, ensuring each plant gets exactly what it needs without guesswork. The IP65 waterproof design handles sun and rain effortlessly, while multiple power options keep it running reliably outdoors.
Features
- Intelligent sensing with rain detection
- Multiple power options including solar
- IP65 waterproof design for outdoor use
- Precise irrigation tailored to plant needs
- Sensor compatibility for data-driven intelligence
- WiFi smart control for remote operation
General specs
- Brand: SATXTREM
- Model: ST-08W
- Seller: Amazon
- ID: B0FPDYJXL5
- Zones: 2
- Weight: 49.9
- Material: Plastic
- IP Rating: IP65
- Child Lock: Yes
- Dimensions: 152.4, 101.6, 41.66
- Valve Type: Electromagnetic
- Rain Sensor: Yes
- Connectivity: Wi-Fi
- Control Type: Electronic
- Display Type: LCD
- Power Source: Solar, Battery
- Programmable: Yes
- Operation Modes: Automatic, Manual
- App Compatibility: Tuya
- First listed by seller: 12/9/25
If you are interested in more details, you can find full information on the seller's page.
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Offers updated: 6/15/26
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| Brand | SATXTREM | Orbit | Shrivee | RainPoint | RainPoint | RainPoint |
| Model | ST-08W | 24639 | HCT-638-2 | HTV145FRF+HWG023WBRF | HWG023BRF | |
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| Price | $19.99 | $129.98 | $63.89 | $69.99 | $59.39 | $104.50 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Apr 16, 2026 | May 27, 2026 | Apr 24, 2026 | May 27, 2026 | May 27, 2026 | May 20, 2026 |
| Zones | 2 | 4 | 3 | 4 | ||
| Weight | 49.9 | 998 | 2.5 lbs | |||
| Material | Plastic | Plastic | Metal, Plastic | |||
| Connectivity | Wi-Fi | Bluetooth, Wi-Fi | Wi-Fi | |||
| Display Type | LCD | LCD | LED | |||
| Power Source | Solar, Battery | Battery | AC Power | Not specified | ||
| Inlet Material | Brass | Brass | Brass | |||
| Watering Modes | Normal, Misting, Cycle & Soak | Normal Irrigation, Cycle & Soak, Misting Irrigation | Normal, Interval, Cycle & Soak | |||
SATXTREM ST-08W White WiFi smart control for remote operation
$19.99
When this device makes sense
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