Details: megaphone, 25 watt, shoulder type material of body-abs, horn dia (mm) 230 millimeter horn length (mm) 382 millimeter, built in siren, switch operated, microphone unidirectional with volume control, detachable mic with press to talk switch, weight with battery (kgs.) 1.4 kilogram (approx), voice rangein traffic junctions (high noise environment) - 400 meter, voice range in quite areas - 500 meter, battery operated on 12v dc (dry cell). power requirements -10 x aa pencil cells, battery capacity (ah) -1.2, batterylife(with siren) - min 60 minutes. make- ahuja, roxy, hitone boss or similar.. wireless pa system hand held rechargeable led torch digital voice recorder make-sony model-sony icd ?px 470 sony voice recorder icd-ux560for similar with built-in usb, recording system-omni-directional, internal storage capacity (memory size)2gigabyte, recording rate / sample rate (kbps)128, recording modes- continuous and voice activation (user selectable), battery type-rechargeable, built-in playback
Sector: Railways