TOA EC-100M Call Announcement Microphone

■Call announcement microphone■With chime■Chime: 4 consecutive tones rising and falling■Sound frequency: 442/553/660/883Hz■Power supply: DC3V (2 AA batteries)■Directivity: Unidirectional■Frequency response: 200Hz-10kHz■Weight: 770g■Accessories: Connection cord (2m)...1, Flat head screwdriver for adjustment...1, Windscreen...1 Product images include images of use. Please note that items other than those specified in the are not included.