Flameproof Hooter 110 dB warning signal for hazardous areas. Operating voltage options. Certified for Zone 1/2 gas groups IIA, IIB, and IIC. IP65 weather protection. Versatile mounting. Ideal for chemical, fertilizer, agrochemical, paints, and petroleum plants. https://www.flameproof.co.in/product/flameproof-hooter/