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Lora Wireless Temperature and Humidity Sensor for Tunnels. IP65 Waterproof Design: Durable ABS material suitable for harsh environments without wiring. Long Battery Life: 4000mAh replaceable battery with ultra-low power consumption. Flexible Customization: Supports OEM/ODM, custom protocols, and design modifications. Multi-Protocol Support: Compatible with LoRaWAN, TCP, Modbus, and MQTT protocols. Real-Time LCD Display: Intuitive visual monitoring of temperature and humidity data. Wireless Wall-Mounted: Easy plug-and-play installation with 400m outdoor range. Industrial Grade Quality: High-precision chips ensure consistent accuracy over wide ranges.