Integrated explosion-proof alarm light, splash-proof, dust-proof and explosion-proof Metal protective cover protects the sensor from corrosion Explosion-proof, lightning protection, anti-static, anti-reverse connection design, anti-impulse surge current impact Infrared remote control: The standard infrared remote control can be operated without opening the cover in dangerous situations. The remote control distance is 15 meters, which is simple and practical. Wide range of application fields: petroleum, mining, gas stations, biogas engineering, aquaculture, ship transportation, paint spraying room