MY-B1 nursing substation install in each sickroom for nurse to use,can call and talk-back

Features:

MY-B1 nursing substation

1) Intercom substation can call and talk  with  the coding master station    2) Intercom substation output connected with call button.3)inserting connected betwwen substation and master .4) Can output for button of exigency alarm;5)  Hand free and easily used;6) Connected the master by 4-wire bus cable

Technical Parameter:

Working voltage:DC 18V

Working current:150mA

Work environment term:-10oC~60oC

Remind:Ringing

Size of device:150x120x70