Description
The SONOFF WTS01 is a 50cm smart water level sensor designed to provide accurate and reliable monitoring of liquid levels. Perfect for water tanks, aquariums, humidifiers, and other applications, it ensures timely alerts and automation for water-related devices. The sensor integrates seamlessly with SONOFF TH series devices — including TH10, TH16, THR316D, THR320D, TH Elite, and TH Origin — enabling automated actions or notifications whenever water levels change. With its durable design, precise measurement, and easy installation, the WTS01 helps prevent overflows, maintain optimal water levels, and enhance the safety and efficiency of your smart home or commercial water systems.
Key Features
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Real-Time Water Level Detection
Provides accurate readings to detect rising or falling water levels in tanks, reservoirs, or aquariums.
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50cm Flexible Cable
Allows convenient placement and adjustment for different tank or container sizes.
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Plug & Play with SONOFF TH Series
Connects easily to SONOFF TH devices via RJ9 4P4C connector — no setup or calibration needed.
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Durable & Waterproof Design
Reliable sensor materials ensure long-lasting performance in wet environments.
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Supports Smart Automations
Can trigger connected devices such as pumps, alarms, or valves when water reaches specific levels.
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Energy-Efficient Operation
Low-power design ensures minimal energy consumption when connected to SONOFF TH series devices.
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Compact and Easy to Install
Lightweight sensor fits neatly in tanks or containers without obstructing normal operation.
Technical Specifications
| Specification |
Details |
| Model |
SONOFF WTS01 |
| Cable Length |
50cm |
| Operating Voltage |
3.3V (powered via connected TH device) |
| Detection Type |
Water level sensor |
| Communication Interface |
RJ9 4P4C connector |
| Compatible Devices |
SONOFF TH10, TH16, THR316D, THR320D, TH Elite, TH Origin |
| Material |
ABS + metal probe |
| Applications |
Water tanks, aquariums, humidifiers, smart home water control |
| Dimensions |
Sensor head 12mm × 20mm (approx.) |
Why Choose SONOFF WTS01?
Accurate and reliable water level detection
Compatible with all SONOFF TH series devices
Plug-and-play RJ9 connection for easy installation
Durable, waterproof, and energy-efficient design
Ideal for smart home automation, aquariums, or industrial water monitoring
