Lux Sensor


The Lux Sensor is a ZigBee-enabled lumen sensor that measures light levels in a room. The Lux Sensor will add intelligence to your IoT management platform to maintain its ambiance by automatically adjusting light dimming levels and opening or closing your curtains.


  • Measure light levels
  • Battery detection
  • Easy DIY installation within minutes by a certified electrician
  • Over-the-Air (OTA) upgrade feature
  • Intuitive LED indicators for easy troubleshooting
  • Specifications

    Standard Compliance IEEE 802.15.4
    Measurement Range 0.01 to 30,000 lumens
    Sunlight Cancellation 50,000 lumens
    Visible Light Spectral Range 390 to 780nm
    Resolution 0.01 lumens
    LEDs Power/ ZigBee
    Data Rate Up to 250 kbps
    Security 128-bit AES Encryption
    TX/TX Sensitivity -99dBm Rx typ. (-100 in boost mode) at 1% packet error rate and +3dBm TX output power (+5dBm in boost mode)
    Power Requirements
    Power Supply 100-240VAC 50/60Hz, 2x 3.6V Batteries, 24VAC
    Dimensions (LxWxD) 2.2x2.6x3.5" (56x67x90)
    Weight 0.1 lbs (0.46 kg)
    Operating Temperature 14ºF to 158ºF (-10ºC to 70ºC)
    Operating Humidity 10 to 85% non-condensing
    Storage Temperature -4ºF to 176ºF (-20ºC to 80ºC)
    Storage Humidity 5 to 90% non-condensing
    Regulatory Approvals
    Safety CE, SAA, UL, cUL
    Emissions CE, C-Tick, FCC Part 15 (Class B)
    Other RoHS, WEEE Complaint

    Ordering Information

    Part No. Description
    A2-77730A-HE-01 US Version
    A2-77730G-HE-01 UK Version
    A2-77730I-HE-01 AU/CN Version