MWLT-2519 RF433 Water Leakage Sensor
$429.00
Protect homes and commercial properties from costly water damage with the MWLT-2519 RF433 Water Leakage Sensor. Designed for fast and reliable leak detection, this intelligent sensor continuously monitors for the presence of water and immediately triggers an audible alarm while transmitting RF433 wireless alerts to compatible ARC smart home receivers. Featuring a compact design, battery-powered operation and an optional extension probe, it is ideal for kitchens, bathrooms, utility rooms, water heaters, washing machines and other areas where water leaks may occur unexpectedly.
MWLT-2519 RF433 Water Leakage Sensor
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ABOUT BRAND
Proactive Flooding Defense, Dual-Configuration Sensing
Product Description
The MWLT-2519 RF433 Water Leakage Sensor is designed to detect water leaks at the earliest possible stage, helping to protect buildings, equipment and valuable property from water damage. When water bridges the sensing contacts, the sensor immediately activates its integrated audible buzzer and LED indicator while simultaneously transmitting an RF433 wireless alarm signal to compatible ARC receivers.
Designed for flexible installation, the sensor can be placed directly on the floor or connected to the supplied 1.5-metre extension probe, allowing monitoring in difficult-to-access locations such as under appliances, inside cabinets or around water tanks. The optional wall-mount bracket provides additional installation flexibility while keeping the sensor securely positioned.
Compatible with ARC L-Series, M-Series and Matter + RF433 receivers, the MWLT-2519 can trigger lighting, continuous flashing alerts or door chime notifications depending on the connected smart home system. Its compact battery-powered design makes installation quick and convenient without requiring additional wiring, making it an ideal solution for homes, hotels, offices and commercial buildings.
Key Features
-
Model Number: MWLT-2519 -
RF433MHz wireless communication -
Early water leak detection -
Built-in audible buzzer -
LED alarm indicator -
Compatible with ARC L-Series, M-Series and Matter + RF433 receivers -
Includes 1.5m extension probe cable -
Optional wall-mount installation -
Battery-powered operation -
Long wireless transmission range -
Compact low-profile design -
Easy installation -
Indoor residential and commercial applications -
Reliable property protection
Technical Details
The MWLT-2519 uses dependable RF433MHz wireless communication to transmit immediate leak detection alerts while providing local audible and visual warning.
Device identification
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Device Name: RF433 Water Leakage Sensor -
Model: MWLT-2519 -
Wireless Communication: RF433MHz -
Power Supply: 3V CR123A battery -
Control Method: Automatic leak detection -
Installation: Floor placement or optional wall mounting -
Application: Water leak monitoring and property protection
Technical Specifications
Product Performance Characteristics
Intelligent Leak Detection
Detects the presence of water and immediately activates the built-in buzzer, LED indicator and RF433 wireless alarm transmission to compatible ARC receivers.
RF433 Wireless Communication
Operates using 433.92MHz wireless communication with an indoor transmission range of up to 50 metres, depending on building construction.
Flexible Installation
Can be positioned directly on the floor or connected to the supplied 1.5-metre extension probe cable for monitoring beneath appliances, cabinets and other difficult-to-access locations.
Audible and Visual Alerts
Built-in buzzer and LED status indicator provide immediate local warning while compatible receivers can trigger lighting alerts or door chime notifications.
Electrical & Physical Specifications
- Power Supply: 3V CR123A battery
- Wireless Frequency: 433.92MHz
- Indoor RF Range: Up to 50 metres
- Operating Temperature: 0°C to +40°C
- Dimensions: Ø60 × 22 mm
- Weight (Sensor): 37 g
- Weight (Wall Mount): 11 g
- Extension Probe Cable: 1.5 metres (16.2 g)
Professional Engineering
Designed for OEM manufacturers, electrical installers and smart home professionals requiring dependable RF433 wireless water leak detection for residential, hospitality and commercial property protection.
Why Clients Select ARC Technology Co Ltd
ARC Technology Co Ltd provides industrial solutions through precision engineering and adherence to international standards. Our operations are governed by rigorous quality management systems to ensure every project meets specific technical requirements and safety protocols. We focus on delivering durable results that support long term operational efficiency for our partners.









Reliability
ARC Technology Co Ltd is an established partner providing stable and consistent industrial engineering solutions.
Quality
We integrate high service standards with a comprehensive understanding of international technical and safety regulations.
Performance
Our structured methodology protects client interests and ensures all technical objectives are achieved efficiently.
FREQUENTLY ASKED QUESTIONS
1. What core industries does ARC Technology Co Ltd serve?We provide high-precision engineering and automation hardware for both industrial sectors and residential smart home environments. Our expertise ranges from RF signal integrity and power monitoring to robust mechanical hardware for professional building applications.
2. Are your smart home products compatible with major ecosystems?
Yes. Our latest solutions are engineered for Universal Connectivity, focusing on interoperability through the Matter standard. We also fully support established protocols including Zigbee, BLE (Bluetooth Low Energy), and Wi-Fi to ensure seamless integration with your existing devices.
3. What quality certifications do your products hold?
Quality and safety are our highest priorities. Our manufacturing facility in Shenzhen is ISO certified, and our products carry globally recognized certifications including CE, UL, FCC, RoHS, and REACH, ensuring they meet rigorous international safety and environmental standards.
4. Does ARC Technology provide custom engineering (OEM/ODM) services?
Absolutely. We act as a critical bridge for global brands in Europe and North America. Utilizing our Taiwanese R&D and Global Production model, we provide comprehensive support from initial design and rapid prototyping to final installation and manufacturing scaling.
5. How do your solutions support energy efficiency and sustainability?
We specialize in Precision Energy Management. Our hardware provides high-precision power monitoring down to the micro-amp level, allowing utilities and consumers to track, analyze, and optimize their energy usage to meet global sustainability goals.

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