Milesight WS503-2W LoRaWAN Smart Wall Switch


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  • Free Shipping Total Purchase > RM150
  • Cash Back 1% of Total Purchase
  • 30 Days Return Policy
  • 1 Year Warranty
  • Refund Policy
  • Remote & Time-Based ON/OFF
  • Power Consumption Measurement
  • Milesight D2D Communication
  • Easy Configuration (via NFC)
SKU: MYP-MSG-023 Categories: ,

WS503 is a smart LoRaWAN® wall switch for the local and remote control of lights and electrical appliances. It adopts two standard sizes for most of international wall switch types, which can replace the traditional wall switches directly. Compliant with Milesight LoRaWAN® gateway and Milesight IoT  Cloud solution,WS503 can be monitored and controlled via web page or mobile App remotely and triggered by other Milesight sensors. WS503 can be widely used for indoor applications in homes, offices, hotels, museums, etc.

Main Features

  • Support local or remote control via high reliability relay
  • Collect current, voltage, power, electrical consumption and support overload protection
  • Built-in switch indicator, easy to use in dark environment
  • Ultra-wide-distance wireless transmission up to line of sight of 15 km
  • Equipped with NFC for one touch configuration and support card emulation mode
  • Function well with standard LoRaWAN® gateways and network servers
  • Compliant with Milesight IoT Cloud
  • Support Milesight D2D protocol to enable ultra-low latency control without gateway
  • Support multicast feature to control switches in bulk

Switch to the Intelligence


2-WIRE Without Neutral Wire

Remote ON/OFF

Remote control from a smartphone anywhere.

Time-Based ON/OFF

Set timers and schedules to make lights function automatically.

Milesight D2D Communication

Fast than Ever

Milesight D2D (Device to Device) protocol featuring LoRa enables the communication among different Milesight LoRaWAN® node devices without a LoRaWAN® gateway. Meanwhile, WS503 can both work as Controller or Agent. Controller mode will be supported later.

  • Lower Latency
  • Less Than 1 Second Response Time
  • Reduce Investment Cost

Power Consumption Measurement

Tips to Save Energy

The power consumption measurement and flexible schedule settings would help to save power and lower electric bills.


LoRaWAN® Based

Milesight Wall Switch is compatible with industry-standard LoRaWAN® gateways with a range of up to 15 km in rural areas and 2 km in urban areas.

Easy Configuration


Flexible Installation’


Wireless Transmission Technology LoRaWAN®, Milesight D2D
Frequency AS923-1&2&3&4
Tx Power 16 dBm (868 MHz)/22 dBm (915 MHz)/19 dBm (470 MHz)
Sensitivity -137dBm
Mode OTAA/ABP Class C
Electrical Switches 1-Gang/2-Gang (Optional)
Switch Indicator Ice Blue
Input Voltage 100~250 VAC, 50~60 Hz
Maximum Current Inductive: 5 A per Gang, Total 10 A
Resistive: 10 A per Gang, Total 10 A
Rated Load Max 1000 W per Gang, Total 2000 W
Terminal SPST
Circuit Type 3-Wire
Measurement Voltage (VAC), Current (mA), Power Factor (%), Power (W), Power Consumption (kWh)
Software Configuration NFC
Switch Control Local Press or Remote Control
Advanced Features Schedule Switch, Switch Lock, Overcurrent Protection, Multicast, Milesight D2D Controller, Milesight D2D Agent
Physical Characteristics Ingress Protection IP20
Material Antiflaming Polycarbonate
Color White (Customizable)
Dimensions 86 Type: 86 × 86 × 40 mm (3.39 × 3.39 × 1.57 in)
120 Type: 118 × 72 × 46.9 mm (4.65 × 2.83 × 1.85 in)
Operating Temperature -20°C to +60°C (-4℉ to +140℉)
Relative Humidity 0% to 95% (non-condensing)




Additional information
Weight 0.4 kg
Dimensions 19 × 12 × 6 cm
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