LoRaWAN® Light Sensor

Shining a Light on Intensity Measurement

em500 outdoor light sensor front small
em500 outdoor light sensor left small
em500 outdoor light sensor back small
  • Measuring Ranges from 0 lux to 100,000 lux
  • Fast 1-Sec Response for Accurate Monitoring
  • IP67 Rated for Harsh Environment
  • LoRaWAN® Wireless Deployment with Low Power Consumption
  • Data Integrity and Easy Management
  • Long-Lasting Battery Life of up to 10 Years
  • Easy Configuration via NFC

Meet the Robust EM500 Series Outdoor LoRaWAN® Sensor

The EM500-LGT can accurately monitor changes in the surrounding light intensity.


Wide Range High
Accuracy Light Sensor

EM500-LGT is designed for ambient light intensity detection in harsh environments. It is useful in many applications, such as brightness control, security, horticulture, floriculture and so on.

Ultra-Rugged Enclosure
for Harsh Environment

This device is designed to withstand even the most demanding environments. EM500-LGT can function properly even in outdoor and harsh environment.

Typical Applications

Lighting the Way to Crop Health

Today, farming is barely sustainable without implementing modern farm technologies. When it comes to growing crops, it's a balancing act. You need just the right amount of sun, water, and soil composition to keep plants happy and blooming.

em500 outdoor light sensor appliation

Long Battery Life

The EM500-LGT is equipped with high-capacity and easily-replaceable batteries. This facilitates the installation and
maintenance process and reduces wiring costs.

em500 outdoor light sensor lorawan

LoRaWAN® Based

  • Penetrating Signals: data transmission range up to 2 km in urban areas and
    15 km in rural areas
  • High Compatibility: compliant with standard LoRaWAN® gateways and network servers

Cloud Data Management
Milesight IoT Cloud

  • Data Visualization Dashboard:
    All figures in a glance
  • Automatic Triggers:
    Interactive collaboration with Milesight IoT sensors
    to realize scene-based automation
  • Regular Reports & Real-Time Alerts:
    Data-based insights
  • Android & iOS App:
    Manage devices at your fingertips

NFC Configuration

Switching on/off and configuring the device via NFC technology from mobile phone or PC

em500 outdoor light sensor nfc configuration a

1st Step

Install the
Milesight ToolBox

em500 outdoor light sensor nfc configuration b

2nd Step

Enable NFC and run ToolBox,
then attach your phone to the device

em500 outdoor light sensor nfc configuration c

3rd Step

Verify the password
and start configuring

Explore More About NFC Configuration >>

Installation in Better Ways

em500 outdoor light sensor installation a em500 outdoor light sensor installation b em500 outdoor light sensor installation c

Wall Mounting

Pole Mounting

DIN Rail Mounting


Wireless Transmission
Tx Power16dBm(868)/20dBm(915)/19dBm(470)
Sensitivity-137dBm @300bps
ModeOTAA/ABP Class A
Range0 - 100000 lux
Resolution1 lux
Power On & OffNFC, Power Button (Internal)
ConfigurationMobile APP(via NFC) or PC software(via USB Type-C)
Physical Characteristics
Cable Length3 m
Power Supply19000 mAh Li-SOCL2 battery (ER34615)
Battery Life*10 years (10 min interval)
Operating Temperature-30°C to +60°C
Relative Humidity0% to 100% (non-condensing)
Ingress ProtectionIP67(Transceiver)/IP65(Light Sensor)
DimensionTransceiver: 105.4 × 71 × 69.5 mm (4.1 × 2.8 × 2.7 in)
Light Sensor: 64 × 58 × 34 mm (2.5 × 2.3 × 1.3 in)
InstallationPole, wall or DIN Rail Mounting
RegulatoryCE, FCC, RoHS


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