MBB520-Call Bell System

Product Description

display digit 4 Digit
battery 3.6 V rechargeable
receive distance 150 m (outdoor)
notice mode Shock, twinkling, beeps
number display 4-bit 0.56 red led display
calling mode Calling number mode and pages mode
transmission frequency 433.92MHz
power supply 5V500mA
humidity 10 - 80 %
temperature 0 - 45 ˚
dimension 15cmx1cmx4cm