Home

Explore

View Cart

Deals

Saved

Suggested searches

Plant-based protein powders
Vegan leather handbags
Bedroom decor
Waterproof jackets
Hoodies

Learn more about how we use your data to personalize your experience and ads. Recommendations are for informational purposes only.

Synapsys-estore

Milesight WS303 mini leak detection sensor

Milesight WS303 mini leak detection sensor

Synapsys-estore

Milesight Mini Water Leak Sensor - WS303

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$63.00

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

Shopping designed around you.

Start selling

For brands

For creators

Build your store

Information

Shop Pay

Help center

Social

X (Twitter)

Instagram

Legal

Terms of Service

Privacy Policy

Your Privacy Choices

Powered by

|

Start selling for free

Language

© Shopify Inc. 2026

Quantity

1

Description

Milesight Mini Water Leak Sensor - WS303 is a compact, wireless water leak sensor that triggers instant alerts upon leak detection and supports D2D automatic response, helping prevent water damage, ideal for smart homes, museums, and other ...

Delivery & Returns

Returns accepted within 30 days

Exclusions may apply. See full policy

Synapsys-estore

Synapsys-estore

You might also like

MCCI

Milesight Mini Leak Detection Sensor WS303

MCCI

Milesight Radar Distance Level Sensor EM410-RDL

Milesight AM319L 9-in-1 iaq sensor light high definition LCD

Synapsys-estore

Milesight 9-in-1 indoor Monitoring Sensor - AM308 / AM308L

smartthings water leak sensor aeotec

Aeotec - Smart Matters

Water Leak Sensor

Water Leak Sensor 4 3-Pack

YoLink

Water Leak Sensor 4 3-Pack

(15)

Water Leak Sensor 4 MoveAlert 3-Pack

27% off

YoLink

Water Leak Sensor 4 MoveAlert 3-Pack

MCCI

Milesight Ultrasonic Distance/Level Sensor EM500-UDL

Synapsys-estore

Lunatone DALI-2 CS Corridor Integration

Water Leak Sensor 1, 10-Pack

27% off

YoLink

Water Leak Sensor 1, 10-Pack

(48)

Synapsys-estore

Lunatone DALI-2 SI1L PRO

Synapsys-estore

Lunatone DALI-2 CS Mini Integration

MCCI

Milesight Indoor Ambience Monitoring Sensor AM103 / AM103L

Dragino LoRaWAN Water Leak Sensor LWL02 (US915)

RobotShop Canada

Dragino LoRaWAN Water Leak Sensor LWL02 (US915)

(3)

Synapsys-estore

Lunatone DALI PWM 100mA

Wireless Sensor Tags

Quad Water Leak Sensor

(1)

Milesight leak detection sensor probe type front

Synapsys-estore

Milesight Leak Detection Sensor - EM300-SLD / EM300-ZLD

Smart Home Starter Kit: Hub, 4 Pack YoLink Smart Water Leak Sensor 2 - YoLink

29% off

YoLink

Hub & 4-Pack Water Leak Sensor 2 Starter Kit

(15)

Synapsys-estore

Lunatone DALI SC / SC-A

Milesite TS310/TS302 Tempearture sensors

Synapsys-estore

Milesight Temperature Sensor - TS301 / TS302

Water Leak Sensor 2

17% off

YoLink

Water Leak Sensor 2

(28)

Water Leak Sensor 3

17% off

YoLink

Water Leak Sensor 3

(13)

Synapsys-estore

Milesight SP11 Temperature Probe for use with TS301/302 sensors

Synapsys-estore

Lunatone DALI-2 CS Integration THP-AQ

AcuRite

AcuRite Hydro Sense – Smart Water Leak Detector with 3-foot Probe

Water Leak Sensor 4

YoLink

Water Leak Sensor 4

(18)

English cottage touches

English cottage touches

Collected classics with country-house charm

Water Leak Sensor 4 MoveAlert 10-Pack

25% off

YoLink

Water Leak Sensor 4 MoveAlert 10-Pack

3 DALI CS Sensors

Synapsys-estore

Lunatone DALI-2 CS Movement sensor

Lunatone EnOcean DALI-2 MC

Synapsys-estore

Lunatone EnOcean DALI-2 MC

Dining table, elevated

Dining table, elevated

Table lamps, serveware, and textured linens

Synapsys-estore

Milesight CO2 Sensor 4in1 - EM500-CO2

Milesight EM300-TH compact LoRaWAN temperature and humidity sensor with IP67 enclosure.

shopiot

Milesight EM300-TH | LoRaWAN Temperature & Humidity Sensor

Water Leak Sensor 2, 3-Pack

34% off

YoLink

Water Leak Sensor 2, 3-Pack

(16)

Milesight AM102 and AM102L LoRaWAN Indoor Ambience Sensors for temperature and humidity monitoring with E-ink display.

shopiot

Milesight AM102 & AM102L | LoRaWAN Temperature & Humidity Sensor (2-in-1)

MCCI

Milesight Submersible Water Level Sensor EM500-SWL

MCCI

Milesight Light Sensor EM500-LGT

Synapsys-estore

B Meters WDE-K50 - Woltmann Water Meter

MCCI

Milesight Tilt Sensor EM320-TILT

Synapsys-estore

Milesight Light Sensor - EM500-LGT

Milesight AM319L 9-in-1 iaq sensor light high definition LCD

Synapsys-estore

Milesight 7-in-1 indoor Monitoring Sensor - AM307 / AM307L

Synapsys-estore

Lunatone DALI-2 ROT Touch Groups and Scenes

MCCI

Milesight Time of Flight Laser Distance Sensor EM400-TLD

Aqara_Water_Leak_Sensor

Aqara LLC

Water Leak Sensor

(3)

Milesight EM300 membrane leakage detection sensor

Synapsys-estore

Milesight Membrane Leakage Detection - EM300-MLD

Synapsys-estore

Milesight AI Workplace Occupancy Sensor - VS121

MCCI

Milesight Temperature and Humidity Sensor EM300-TH

Milesight AM103 3-in-1 iaq sensor

Synapsys-estore

Milesight 3-in-1 IAQ Sensor AM103/AM103L

Water Leak Sensor 4 10-Pack

25% off

YoLink

Water Leak Sensor 4 10-Pack

(14)

Living room glow up

Living room glow up

Chic lighting, side tables, and linen layers.

Milesight AM319L 9-in-1 iaq sensor light high definition LCD

Synapsys-estore

Milesight 9-in-1 indoor Monitoring Sensor - AM319 / AM319L

MCCI

Milesight Industrial Temperature Sensor EM500-PT100

Milesight ws202 pir light sensor

Synapsys-estore

Milesight Light & PIR Sensor - WS202

Synapsys-estore

Lunatone DALI-2 ROT Touch Tunable white and Scenes

Lunatone DALI-2 Displays

Synapsys-estore

Lunatone DALI-2 Display 4"

Synapsys-estore

Lunatone DALI-2 SI

Water Leak Sensor 3 w/Ruggedized Mounting Bracket Kit

25% off

YoLink

Water Leak Sensor 3 w/Ruggedized Mounting Bracket Kit

MCCI

Milesight Bathroom Occupancy Sensor VS330

Synapsys-estore

Milesight Temperature & Humidity Sensor - EM300-TH

Milesight EM500 SWL submersible water level sensor

Synapsys-estore

Milesight Smart Submersible Water Level Sensor - EM500-SWL

MCCI

Milesight Pipe Pressure Sensor EM500-PP

MCCI

Milesight Temperature and Humidity Sensor EM320-TH

MCCI

Milesight Smart Fill Level Monitoring Sensor WS201

Water Leak Sensor 4 MoveAlert

20% off

YoLink

Water Leak Sensor 4 MoveAlert

Lunatone DALI-2 Touchpanels

Synapsys-estore

Lunatone DALI-2 Touchpanel 03

Milesight EM300-DI LoRaWAN pulse counter with temperature and humidity sensors and IP67 rating.

8% off

shopiot

Milesight EM300-DI | LoRaWAN Pulse Counter with TH Sensors

€56.00€61.00

Lunatone DALI-2 Touchpanel 04

Synapsys-estore

Lunatone DALI-2 Touchpanel 04

Synapsys-estore

BMeters Hydrodigit Wireless Water Meter

Synapsys-estore

BMeters WRM-TS Wireless M-Bus Gateway

Bmeters RFM-RX2

Synapsys-estore

BMeters RFM-RX2 Wireless M-BUS receiver/configurator

Synapsys-estore

Lunatone DALI-2 CS Mini

Water Leak Sensor 2 w/Ruggedized Mounting Bracket Kit

13% off

YoLink

Water Leak Sensor 2 w/Ruggedized Mounting Bracket Kit

(2)

MCCI

Milesight Temperature Sensor TS201

Milesight AM102L 2-in-1 iaq sensor without e link

Synapsys-estore

Milesight 2-in-1 IAQ Sensor AM102/AM102L

YoLink 3-Pack Smart Water Leak Sensors, Alexa, IFTTT, LoRa 1/4 Mile Open Air Range, Hub Required - YoLink

31% off

YoLink

Water Leak Sensor 1 3-Pack

(43)

15% off

Smartify

Sonoff Zigbee temperature and humidity sensor - Sonoff SNZB-02P

€10.15€11.89

Milesight Em500 PT100 platinum temperature sensor

Synapsys-estore

Milesight Industrial Temperature Sensor - EM500-PT100

YoLink LoRa 1/4 Mile Long Range Smart Water Leak Sensor, EASY Installation, Alexa, IFTTT. Hub Required - YoLink

23% off

YoLink

Water Leak Sensor 1

(67)

Synapsys-estore

Lunatone DALI-2 SI1L

Water Leak Sensor 2, 10-Pack

12% off

YoLink

Water Leak Sensor 2, 10-Pack

(6)

Synapsys-estore

B Meters GSD8-I - Single Jet Water Meter

Synapsys-estore

B Meters TAN-X5

SmartHomeShop

Water Leak Sensor

(1)

Synapsys-estore

B Meters GSD8-RFM - Single Jet Water Meter

Synapsys-estore

Lunatone DALI-2 ROT Integration

Bmeters IWM PL$ 1

Synapsys-estore

BMeters IWM-PL4 Electronic pulse emitter module