"SODI ELECTRONICS" is a famous Italian Group Co., Ltd. that mainly engaged in traffic highway meteorological monitoring, gas sensor and such kind of instruments in the field of monitoring and provide the corresponding technical solutions. The main SODI products are including Tunnel Air Quality Monitor (CO)、Tunnel Air Quality Monitor (NO、CO)、Tunnel Air Quality Monitor (NO₂)、Ultrasonic Wind Detector、Tunnel Vision Luminance & Illumination Meter...