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  1. Detection - Measurement
  2. Position, Speed and Acceleration Measurements
  3. White light sensor
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White light sensor WS202
ambientPIRphotometric

White light sensor - WS202 - Milesight IoT - ambient / PIR / photometric
White light sensor - WS202 - Milesight IoT - ambient / PIR / photometric
White light sensor - WS202 - Milesight IoT - ambient / PIR / photometric - image - 2
White light sensor - WS202 - Milesight IoT - ambient / PIR / photometric - image - 3
White light sensor - WS202 - Milesight IoT - ambient / PIR / photometric - image - 4
White light sensor - WS202 - Milesight IoT - ambient / PIR / photometric - image - 5
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Characteristics

Type
ambient, white
Technology
PIR, photometric
Output
LoRaWAN
Other characteristics
programmable, wireless, wall-mounted
Light intensity range

Max.: 60,000 lx

Min.: 1 lx

Description

Overview
  • PIR & Light Sensor WS202 combines PIR motion detection and ambient brightness measurement to support automatic lighting control and presence sensing in indoor environments.
  • Designed for smart offices, coworking spaces and automated lighting systems.


Key Features
  • PIR presence detection with wide-angle coverage for reliable human presence sensing.
  • Brightness measurement with user-definable threshold to determine Bright/Dark status (1–60000 lux, 1 lux resolution).
  • LoRaWAN® wireless transmission for long-range, low-power connectivity; compatible with standard LoRaWAN gateways and network servers.
  • Milesight D2D (Device-to-Device) communication for direct interactions between Milesight LoRaWAN® node devices (lower latency, secure transmission, reduced gateway investment).
  • NFC configuration support via mobile phone or PC (Milesight ToolBox) for easy on-site setup and parameter tuning.
  • Integrates with Milesight wall switches and light controllers to enable automated scene-based lighting control.


Measurement & Detection
  • PIR: Ultrawide detection — 120° horizontal, 100° vertical; detection distance up to 8 m.
  • Light: Bright/Dark status configurable by custom threshold; brightness resolution 1 lux; measurement range 1 to 60000 lux.


Power & Battery
  • Powered by 1 × 1650 mAh ER14335 Li-SOCl2 battery.
  • Estimated battery life examples: around 4 years (SF7, EU868) under typical use case (30 triggers per day); battery life varies with region, Spreading Factor and reporting frequency.


Installation & Mounting
  • Compact enclosure for wall or flat-surface mounting; supports screw mounting or double-sided tape mounting.
  • Small form factor and light weight for flexible placement (surface mounts, ceilings where applicable).


Integration & Cloud
  • LoRaWAN® connectivity: supports multiple regional frequency plans and OTAA/ABP Class A operation.
  • Works with Milesight device ecosystem (e.g., wall switches and smart light controllers) to trigger lighting scenes based on occupancy and brightness.
  • Data can be managed and visualized on IoT platforms; supports common IoT integration patterns for dashboards, triggers and APIs.


NFC Configuration (Quick Steps)
  • Install the Milesight ToolBox on your mobile device or PC.
  • Enable NFC on the device, run ToolBox and attach the phone to the WS202 to read/write parameters.
  • Verify password and apply configuration (switching, thresholds, reporting parameters).


Applications
  • Automatic lighting control in offices, meeting rooms, corridors and coworking spaces.
  • Occupancy detection for energy-saving HVAC and facility management workflows.
  • Smart building integrations for presence-driven automation and analytics.


Technical Specifications
  • Model: WS202
  • Wireless Technology: LoRaWAN®, Milesight D2D
  • Antenna: Internal antenna
  • Frequency Plans: CN470 / IN865 / RU864 / EU868 / US915 / AU915 / KR920 / AS923 (region dependent)
  • Tx Power: 16 dBm (868 MHz) / 22 dBm (915 MHz) / 19 dBm (470 MHz)
  • Sensitivity: -137 dBm @ 300bps
  • LoRaWAN Mode: OTAA / ABP Class A
  • PIR Detection Area: 120° horizontal, 100° vertical
  • PIR Detection Distance: Up to 8 m
  • Light Measurement: Bright/Dark status based on custom threshold; range 1–60000 lux; resolution 1 lux
  • LED Indicator: 1 status indicator
  • Button: 1 × internal reset button
  • Configuration: NFC mobile configuration (ToolBox)
  • Advanced Features: Milesight D2D controller, threshold alarm
  • Power Supply: 1 × 1650 mAh ER14335 Li-SOCl2 battery
  • Battery Life Examples: ~4 years (30 triggers/day, SF7 EU868) — varies by region / SF / usage
  • Operating Temperature: -20 °C to 60 °C
  • Relative Humidity: 0% to 90% non-condensing
  • Ingress Protection: IP30
  • Material: Anti-flaming polycarbonate
  • Color: White
  • Dimensions: 50 × 50 × 23.8 mm (lens Ø 17.2 mm)
  • Weight: 40 g (battery included)
  • Installation: Screw mount or 3M tape on flat surfaces
  • Certifications / Approvals: CE, FCC, RoHS, LoRaWAN® Certified; Safety: EN62368-1

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IoT LoRaWAN® Series

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
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