Ahuja CLH-33 is a compact and lightweight megaphone with a high efficiency and clear sound. It is powered by 6 x UM-3 pencil cells and has a rated power output of 5W and a maximum power output of 10W. The megaphone has a unidirectional microphone with volume control and a push-type ON/OFF switch. It also has a power ON LED indication. The megaphone is ideal for crowd control, fire fighting, travel guides, schools, sports events, exhibitions, field publicity, film shooting, and religious gatherings.