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YoLink YS4103 Smart Sprinkler Hose Timer with Flow Meter
Meter: The YoLink YS4103 Smart Sprinkler Hose Timer adds flow tracking and app-based scheduling to hose watering. It offers timed or volume-based watering, rain-delay scheduling, and a manual control button, but app features require a separately sold YoLink Hub.
At a glance
- Choose watering by duration or target volume, with the integrated meter reporting flow and total water usage.
- Schedules can be set for daily, weekly, odd/even days, or custom intervals, according to the listing.
- ECO Mode is described as using real-time weather data to delay watering during rainy conditions.
- The app can show watering logs for up to 180 days, including start time, duration, and water used.
- LoRa wireless range is claimed up to 2,034 feet in open air. The listing says the device does not require Wi-Fi, while app functions require a YoLink Hub.
Price
$49.98Save 17%
Reference price: $59.99
Price checked: Nov 14, 2026
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Pros and cons
Pros
- Volume-based watering and a built-in flow meter provide a way to monitor water use as well as run time.
- Multiple schedule patterns and a rain-delay mode support recurring garden irrigation.
- A local device button provides manual control, while app operation is available with the required Hub.
Technical specifications
4 specifications| Brand | YoLink |
|---|---|
| Model | YS4103 |
| Dimensions listed | 2"D x 5.7"W x 5"H |
|---|
| Material listed | Plastic |
|---|
What to know before buying
- The device is described as not waterproof. Install it in a protected location away from direct rain, standing water, condensation, and excessive moisture. A cover or enclosure may still collect humidity or condensation.
Who is it for?
A good fit for
- Gardeners who want scheduled hose watering with flow and total-use tracking.
- Users who can provide a YoLink Hub and want app-based control or longer-range LoRa communication.
- People looking for customizable watering patterns and a rain-responsive delay feature.
Less suited to
- Buyers who need a device that can be left exposed to rain or persistent moisture.
- Buyers who expect app features to work without purchasing or already owning a YoLink Hub.
Customer reviews on Amazon
- 5 stars
71% 71% - 4 stars
10% 10% - 3 stars
11% 11% - 2 stars
4% 4% - 1 star
4% 4%
Customer feedback describes the timer as reliable and good quality, and mentions use for watering plants while away. Setup is reported as easy, but ease of use is mixed. Those impressions may matter for scheduled garden care, while buyers should still account for the required Hub for app functions and protected installation.
Positive themes
- Customer feedback describes reliability and product quality positively.
Mixed feedback
- Setup is described as easy, but overall ease of use receives mixed feedback.
Frequently asked questions
Does the YS4103 need a hub?
The listing says a YoLink Hub, sold separately, is required for app features, automation, and smart alerts. The device itself is described as not requiring Wi-Fi.
Can it water by a target volume as well as by time?
Yes. The listing describes Duration Mode for timed watering and Volume Mode for water delivery by volume, with a built-in flow meter that tracks flow and total usage.
Can the timer be installed fully exposed outdoors?
No. The listing says it is not waterproof and should be protected from direct rain, standing water, condensation, and excessive moisture.
What wireless range does the listing claim?
It claims up to 2,034 feet in open air using LoRa. The actual range at an installation site is not specified.
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