supply of wireless remote controlled electronic siren/hooter systemwireless remote controlled electronic siren/hooter system,wireless remote remote-controlled electronic siren/hooter system operating 150mtrs supply voltage 12v/24vdc consistin g of the following items a) amplifier with (two siren speakers) output system 24 v dc input. b) amplifier of 60 watts, c) sound area - 20 0 m d) remote system of 1 mhz, e) operating range of 150 m, make-plasser or equivalent as per specification attached. [ warrant y period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]