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Light Sensor



Intelligent activity and motion detection using passive infrared (PIR) technology. 

Accurate 10-minute counting with automatic transmission via gateway. 

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5 km

Outdoor range

500 m

Indoor range

2 years

Battery life

10 mn

Data transmission

Key Features

Detects and reports light intensity in lux within indoor environments. Uses a photoresistor to measure the ambient light level around the device. Provides readings ranging from 10 to 1000 lux, making it ideal for monitoring light levels in indoor applications.  



Cloud reporting platform

Seamless integration with your existing cloud systems.


IoT API

 Public MQTT APIs and RESTful web services available.


Email/SMS alerts

Real-time notifications to help you respond faster.


IP67 protection rating

 Water-, dust-, and weather-resistant for reliable outdoor use.


Infrared detection

 Passive infrared sensor for accurate detection.


Versatile use

Indoor and outdoor use, operating temperature range from -40°C to 85°C.

Technical Specifications


General Sensor Features  ​

  Gateway to sensor network
500m indoor
Up to 5 km outdoors
  Operating Temperature  
-40°C to 85°C
  Power supply
3.0 V CR2477 coin cell battery (replaceable 
  Battery life
2 years under normal operation 
  Reading frequency
1 Sample each 10 minute interval
  Data transmission frequency
10 minute interval
Technical Specifications

  Maximum resolution
4 095 detectable points - calculated to lx 10 à 1000
  Measurement range
10 to 1000 lux
  Wavelength detection range
500 nm to 700 nm
  Detection angle
+/- 25°
  Calibration drift
None
  Accuracy
+/- 3% to 25°C
  Temperature range
-20°C to 85°C
  Protection rating
IP67
Power Specifications


  Supply voltage
2,0 - 3,4 VDC
  Current consumption – Standby mode
6 uA
 Current consumption – Sampling mode
0 - 1,500 uA 25 for 0,1 seconds
  Current consumption – Radio RX mode
25 mA for 0,5 seconds​
  Current consumption – Radio TX mode
100 mA for 0,5 seconds



Frequency bands


915-925 MHz

Suitable for South East Asia, Australia, North/South America.​

863-870 MHz

Suitable for Africa, Middle East, Europe.

779-787 MHz

Suitable for China.

Mounting and dimensions











Length : 73 mm (with antenna)

Height : 29 mm

Width : 44 mm

Weight : 85 g 

Example Applications


Energy efficiency
Light detection
Lighting level

The company Urban IO


Urban IO provides a complete turnkey, industrial-grade system specifically designed for monitoring assets, systems, and spaces.

Our solution is the simplest and most cost-effective way to connect your assets to your management systems.

Learn more about Urban IO 

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