This document provides specifications for a flameproof hooter. The hooter is made of cast aluminium alloy LM-6 with a flameproof enclosure suitable for hazardous locations zones 1 and 2. It has a 2way to multiway entry, can operate from 24v dc to 230v dc, and is rated for voltages up to 230v and 440v. The hooter has an epoxy powder coating finish and is certified by CIMFR Dhanbad to be used in gas group IIA, IIB hazardous areas for zones 1 and 2. Dimensions of the hooter are also provided.