supply of power extension board, power bank, microphones for cordless pa system, pa horn speaker & pa megaphone. , supply & transportation of power extension board (self made) with minimum 5 nos of 16 am p switch socket and drum of (50 mtrs 3 core power cable2.5 sq mm). [ warranty period: 30 months after the date of delivery ] ] , supply and transportation of pa megaphone with rechargeable batteries (minimum 10 watts each) volume control and press to talk switch operated , model-am-21sd . make-ahuja/hitune or better. [ warranty period: 30 months after the date of delivery ] ] , supply and transportation of pa horn speaker model-uhc 30xt. make ahuja or better.(note-s imilar model other than ahuja will be accepted only if ahuja model is not available in market) [ warranty period: 18 months after the date of delivery ] ] , supply and transportation of microphones for cordless pa system .model no. awm 520v2 or better.(note-similar model other than ahuja will be accepted only if ahuja model is not available in market ) [ warranty period: 24 months after the date of delivery ] ] , supply and transportation of power bank capacity 30000 mah with minimum 2 fast charging ports for laptop, tablets , smartphones and wi-fi routers. make/brand- ubon/lapcare or better. [ warrant y period: 18 months after the date of delivery ] ]