The EM500-LGT is designed for measuring light in harsh environments and transmitting data via LoRaWAN® technology. With low power consumption, it operates up to 10 years on a 19000 mAh battery. Integrated with Milesight LoRaWAN gateway and IoT Cloud solution, users can manage sensor data remotely and visually. Key Features: Wide Measuring Range: High precision light measurement. Ultra-Wide-Distance Transmission: Up to 10 km line of sight. Durable Design: IP67 waterproof enclosure for harsh environments. Long Battery Life: Built-in 19000 mAh replaceable battery, lasting up to 10 years. Easy Configuration: Equipped with NFC. LoRaWAN Compliance: Compatible with standard LoRaWAN gateways and network servers. Efficient Management: Quick and easy integration with Milesight IoT Cloud solution. Applications Smart buildings Urban lighting Greenhouse control Smart agriculture Weather monitoring Specifications Wireless Transmission Technology LoRaWAN Frequency CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923 Tx Power 16dBm(868)/20dBm(915)/19dBm(470) Sensitivity -137dBm @300bps Mode OTAA/ABP Class A Measurement Range 0 - 100000 lux Accuracy ±3% Resolution 1 lux Operation Power On & Off NFC, Power Button (Internal) Configuration Mobile APP(via NFC) or PC software(via USB Type-C) Physical Characteristics Cable Length 3 m Power Supply 19000 mAh Li-SOCL2 battery (ER34615) Battery Life* 10 years (10 min interval) Operating Temperature -30°C to +60°C Relative Humidity 0% to 100% (non-condensing) Ingress Protection IP67(Transceiver)/IP65(Light Sensor) Dimension Transceiver: 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) Installation Pole, wall or DIN Rail Mounting Approvals Regulatory CE, FCC, RoHS Technical Documents Datasheet User Guide LoRa is a registered trademark of Semtech Corporation. LoRaWAN is a trademark of the LoRa Alliance. USB-C is a registered trademark of USB Implementers Forum. MCCI and MCCI Catena are registered trademarks of MCCI Corporation. All other trademarks are the property of their respective owners.