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Contact Suppliervoltage: - 220/250v ac
power:- 50hz
audio output:- 50 watt
sound:- 100db
sound type:- single tone
operating temp.- 30-50 degree
audible frequency:- 540hz to 1800hz
audible range:- up to 500mtr
protection:- ip65
make:- addonix
model no.- aest-100
hsn code:- 8531