Shrivee HCT-638-2 Smart Sprinkler Timer for Garden Hose: WiFi and voice control via app and Alexa/Google
For the homeowner who wants a lush lawn without daily hose duty, this smart sprinkler timer is your garden's personal assistant. It's perfect for managing a large yard with distinct zones, like a vegetable patch, flower beds, and a lawn, all from your phone while you're at work or on vacation.
Think of it as more than just a watering tool—it's a way to protect your investment in landscaping with precision care. The app lets you name each zone, so you can set a gentle mist for delicate flowers and a longer soak for thirsty tomatoes, ensuring every plant gets exactly what it needs. You'll appreciate how the rain delay feature automatically adjusts schedules based on weather, saving water and preventing overwatering before you even check the forecast.
With a 984ft RF range, this timer maintains a stable connection through walls, so you can control it from anywhere in your home or yard. It's built to last with metal connectors and an IP55 waterproof rating, handling outdoor conditions season after season. Use voice commands with Alexa or Google for hands-free control, making it easy to start watering when your hands are full from gardening.
Features
- 984 feet RF range for wide coverage
- 3 independent zones for custom watering plans
- 5-in-1 modes including rain delay and manual
- Leakproof and durable with IP55 waterproof rating
- Instant manual control for emergencies
- Expandable system for whole-yard coverage
- WiFi and voice control via app and Alexa/Google
General specs
- Brand: Shrivee
- Model: HCT-638-2
- Seller: Amazon
- ID: B0F5BHTBV4
- Timer: Adjustable, Yes
- Zones: 3
- Features: Programmable, Rain Delay
- Material: Metal, Plastic
- Device Type: Water Timer
- Connectivity: Wi-Fi
- Display Type: LED
- Power Source: AC Power
- Control Method: App Control, Voice Control, Manual
- Indoor/Outdoor: Outdoor
- Irrigation Type: Sprinkler, Misting
- Smart Home Compatibility: Amazon Alexa, Google Assistant, Tuya
- First listed by seller: 2/2/26
If you are interested in more details, you can find full information on the seller's page.
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Shipping options
United States
Comparison with similar products
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WiFi Water Timer Yellow Weather-based automatic rain delay
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| Brand | Shrivee | SOHOMACH | RainPoint | SATXTREM | RainPoint | RainPoint |
| Model | HCT-638-2 | LYAI-15 | HTV245FRF+HWG023WBRF | ST-08W | TCTTV102B-W-NHV1-C | |
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| Price | $66.99 | $19.99 | $89.98 | $19.99 | $54.99 | $79.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | February 2, 2026 | February 2, 2026 | February 2, 2026 | February 2, 2026 | January 21, 2026 | December 9, 2025 |
| Zones | 3 | 2 | 2 | 2 | ||
| Material | Metal, Plastic | Brass | Brass | Plastic | Brass, Metal | Brass |
| Connectivity | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi, Bluetooth | Wi-Fi |
| Display Type | LED | LCD | LCD | LCD | LCD | |
| Power Source | AC Power | Solar | Battery | Solar, Battery | Battery | Battery |
| Weight | 304 | , | 49.9 | 340 | 227 | |
| IP Rating | IPX4 | IP65 | IP65 | IP55 | IP55 | |
| Child Lock | Yes | Yes | Yes | Yes | ||
| Dimensions | 120, 48, 110 | 81.28, 187.96, 139.7 | 152.4, 101.6, 41.66 | 25.4, 38.1, 25.4 | 155, 173, 84 | |
| Inlet Size | 3/4 in | 3/4 in | 3/4 in | 3/4 in | ||
| Outlet Size | 3/4 in | 3/4 in | 3/4 in | 3/4 in | ||
| Rain Sensor | Yes | Yes | Yes | Yes | ||
| Thread Size | G3/4 | G3/4 | G3/4 | G3/4 | ||
| Battery Type | AA | AA | AA | AA | ||
| Control Type | Electronic | Electronic | Electronic | Electronic | Electronic | |
| Max Run Time | 9 | , | 480 | |||
| Programmable | Yes | Yes | Yes | Yes | Yes | |
| Connection Type | Threaded | Threaded | Threaded | Threaded | ||
| Operation Modes | Automatic, Manual | Automatic, Manual | Automatic, Manual | Automatic, Manual | Automatic, Manual | |
| Smart Assistant | Alexa | Alexa | Alexa | Alexa | ||
| App Compatibility | Tuya | Tuya | Tuya | Tuya | Tuya | |
| Outlets | 2 | 1 | 1 | |||
| Programs | 6, 6 | 20 | 3 | |||
| Valve Type | Electromagnetic | Electromagnetic | Electromagnetic | Electromagnetic | ||