Is the sensor waterproof?

Yes, the sensor has an IP67 rating, making it resistant to dust and water immersion.

How is the device configured?

Configuration can be done via a Mobile App using NFC or Downlink commands.

Milesight Ws303 Lorawan Mini Leak Detection Sensor for Smart Offices Buildings

Name: Milesight Ws303 Lorawan Mini Leak Detection Sensor for Smart Offices Buildings
Brand: Nantong Super Intelligence Technology Co., Ltd
SKU: 2234529045

Jiangsu, ChinaNantong Super Intelligence Technology Co., Ltd

US$84.00

1-49 Pieces

US$56.00

50-999 Pieces

US$43.00

1,000+ Pieces

Sample price:US$84.00/piece.Request sample

Product profile

Customization

Available

Installation Type

3m Tape Mounting, Desktop

Sensing Type

Technology: Lorawan®, Milesight D2d

Model NO.

WS303

Contact

Antenna: Internal Antenna

Output Signal Type

Digital Type

Production Process

Frequency: Cn470/In865/Ru864/EU868/Us915/Au915/Kr9

Material

ABS+PC, White

Measuring Medium

Sensitivity: -137dBm @300b PS

IP Rating

IP67

Certification

CE, FCC

Customized

Power Supply

1 × 590mAh Cr2450 Lithium Battery

Operating Temperature

-10°c to +60°c

Relative Humidity

0% to 100% (Non-Condensing)

Housing & Color

ABS+PC, White

Battery Life2

Around 5.7 Years (One Hour Leakage Per Week, 25

Regulatory

CE, FCC

Environmental

RoHS

Configuration

Mobile APP Via NFC or Downlink

Advanced Feature

Milesight D2d Controller,Water Leakage Alarm

Liquid Type

Conductive Liquid

Trigger Condition

Once Liquid Level Reaches 0.5mm

Buzzer

Support

Transport Package

Paper Carton

Specification

63 × 63 × 14 mm

Trademark

MILESIGHT

Origin

China

HS Code

9031809090

Production Capacity

100000/Year

Key features

Long Battery Life: Up to 5.7 years operation with a single 590mAh CR2450 lithium battery.

LoRaWAN Wireless Tech: Low power consumption with LoRaWAN and Milesight D2D protocol support.

IP67 Waterproof Rating: Robust IP67 ingress protection for reliable performance in various environments.

Dual Alarm System: Provides local alerts via built-in buzzer and remote notifications via mobile App.

Compact Design: Tiny size (63x63x14mm) with 3M tape mounting for easy desktop or wall installation.

Flexible Customization: Supports full customization, minor customization, and customization from samples or designs.

Global Frequency Support: Compatible with multiple global LoRaWAN frequencies including EU868, US915, and CN470.

Low Sensitivity: High sensitivity of -137dBm @300bps ensures accurate detection of conductive liquids.

Company profile

Importers and ExportersIn-stock CapacityFast DeliveryLow MOQ

Nantong Super Intelligence Technology Co., Ltd

Jiangsu, China

Business Type: Manufacturer/Factory, Trading Company, Other, Group Corporation CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2013-06-05Nearest Port: Shanghai, NingboAverage Response Time: ≤0.13hTerms of Payment: LC, T/T, PayPal, etc.

AI-Powered supplier vetting

SummaryThe supplier is identified in one slice as a trading company, while other descriptions present it as an IoT smart-building and renewable-energy solutions provider with more than 10 years of experience in research, development, manufacturing, and global distribution. Its stated product scope includes LoRaWAN gateways and sensors, IoT controllers, cellular products, smart-building and smart-city solutions, and solar-related products. Innovation evidence is relatively strong: over half of Milesight employees are R&D engineers, and the company states that it invests 15% of sales revenue annually in R&D and supports customized solutions. Global presence and exports are also indicated, including offices in the USA, Korea, Taiwan China, and mainland China, and exports representing 90% of total sales. However, certification, after-sales infrastructure, financial credibility, production scale, customization execution, and customer cases are largely unverified. The data also contains inconsistent or potentially...

Supplier typeThe supplier is explicitly classified as a trading company in source 3. Source 5 additionally describes it as an IoT smart-building and renewable-energy solutions provider involved in R&D, manufacturing, and global distribution, indicating a broader business profile than pure trading.

R&D capabilityInnovation capability is supported by the statements that over half of Milesight employees are R&D engineers, that 15% of sales revenue is invested annually in R&D, and that the company applies AI, 5G, and IoT to multiple use cases. The supplier also states that it develops customized solutions, although the reported total experience of R&D engineers is only 1 and the data does not clarify whether all descriptions refer to the same legal entity.

Production capacitySource 5 claims more than 10 years of experience in manufacturing and global distribution, while source 9 states that the supplier operates one production line. The available data does not provide complete capacity figures or delivery performance, so production capability is supported but not sufficiently quantified.

Customization capabilityThe supplier states that its R&D strength enables innovative products and customized solutions, and that it responds to customer-specific challenges through partner collaboration. However, the specific customization services requested in other fields, such as private molds, 3D design, ODM, or SDK support, remain unknown.